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Chris Allen, Gregory Stump. Vermeer Manufacturing Company, Apparatus and method for controlling an underground boring tool. U.S. Patent 6,161,630 December 19, 2000. (pdf)

Chris Allen, Gregory Stump. Vermeer Manufacturing Company, Inc., Apparatus and method for detecting a location and an orientation of an underground boring tool. U.S. Patent 6,435,286 August 20, 2002. (pdf)

Chris Allen, Gregory Stump. Vermeer Manufacturing Company, Apparatus and method for detecting a location and an orientation of an underground boring tool. U.S. Patent 5,904,210 May 18, 1999. (pdf)

Chris Allen, Gregory Stump. Vermeer Manufacturing Company, Apparatus and Method for Detecting an Underground Structure. U.S. Patent 5,819,859 October 13, 1998. (pdf)

Gregory S. Stump, Christopher T. Allen. Vermeer Manufacturing Company, Apparatus and method for horizontal drilling. U.S. Patent 6,886,644 B2 May 3, 2005. (pdf)

Douglas Niehaus, Balaji Srinivasan, Vinai Sirkay, William Edwards, Timothy Kelley. Sprint Communications Company L.P., ATM reference traffic system. U.S. Patent 6,046,998 April 4, 2000. (pdf)

Danico Lee, Constantinos Tsatsoulis, Steven Perry. Automated Data Entry System. U.S. Patent 7,595,545 , 2009.

Shannon Blunt. Computationally Efficient Adaptive Radar Pulse Compression. U.S. Patent 7,602,331 , 2009.

Maurice O'Sullivan, Ron Hui, Jingyu Zhou. Northern Telecom Ltd., Eye mask for measurement of distortion in optical transmission systems. U.S. Patent 5,774,242 June 20, 1998.

Douglas Lew Richards, Christopher Thomas Allen, Douglas C. Hague. Sprint Communications Company, L.P., Identifying a Polarization-Mode Dispersion Event. U.S. Patent 6,781,679 B1 August 27, 2004. (pdf)

Ron Hui and Carey Johnson. Laser System for Photonic Excitation Investigation. U.S. Patent 7,525,724 April 28, 2009.

Lawrence Pelz Jr., Helin Ji, Xiaojun Fang, Chris Allen, Ken Demarest, Victor Frost. Sprint Communications Company, L.P., Method and apparatus for controlling an optical signal. U.S. Patent 5,970,188 October 19, 1999. (pdf)

K. Demarest, C. Johnson, C. Allen, R. Hui, B. Zhu. Sprint Communications Company, Method and apparatus for recovering an optical clock signal. U.S. Patent 6,542,274 April 1, 2003. (pdf)

Rongqing Hui. Sprint Communications, Method and Apparatus for Use of III-Nitride Wide Bandgap Semiconductors in Optical Communications. U. S. Patent 7,345,812 March 18, 2008.

Hok Yong Pua, Chris Allen, Ken Demarest, Ron Hui, Kumar Vijay Peddanarappagari. Sprint Communications Company, L.P., Method and Apparatus to Compensate for Polarization Mode Dispersion. U.S. Patent 6,459,830 October 1, 2002. (pdf)

H.Y. Pua, C. Allen, K. Demarest, R. Hui, K.V. Peddanarappagari. Sprint Communications Company L.P., Method and apparatus to compensate for polarization-mode dispersion. U.S. Patent 6,647,176 November 13, 2003. (pdf)

Ron Hui, Jin Hong, Maurice O'Sullivan. Nortel Networks Limited, Method and device for encoding data into high speed optical train. U.S. Patent 6,438,148 August 20, 2002.

Xue-wen Chen and Jiangsheng Yu. Method of Classifying Data using Shallow Feature Selection. U.S. Patent 7,505,866 March 17, 2009.

Rongqing Hui. University of Kansas, Optical Domain Signal Analyzer. U.S. Patent 6,697,159 February 2, 2004. (pdf)

Rongqing Hui, Christopher T. Allen, Kenneth Robert Demarest. Sprint Communications Company, L.P., Optical Systems with Diversity Detection. U.S. Patent 6,999,688 B1 February 14, 2006. (pdf)

John Gauch. University of Kansas, Real-time feature-based video stream validation and distortion analysis system using color moments. U.S. Patent 6,246,803 B1 June 12, 2001. (pdf)

Sivaprasad Gogineni, Pannirselvam Kanagaratnam. University of Kansas, Center for Research, Inc., Swept-step radar system and detection method using same. U.S. Patent 5,867,117 February 2, 1999. (pdf)

Sivaprasad Gogineni, Pannirselvam Kanagaratnam. University of Kansas, Center for Research, Inc., Swept-step radar system and detection method using same. U.S. Patent 6,225,941 B1 May 1, 2001. (pdf)

Swapan Chakrabarti. University of Kansas, Three-Dimensional Display Apparatus. U.S. Patent 6,646,623 B1 November 11, 2003. (pdf)

Swapan Chakrabarti. University of Kansas, Three-Dimensional Display Apparatus. U.S. Patent 6,005,608 December 21, 1999. (pdf)

Swapan Chakrabarti. University of Kansas, Three-Dimensional Display Apparatus. U.S. Patent 5,717,416 February 10, 1998. (pdf)

Dietmar Garthe, Ross Saunders, Alan Robinson, Maurice O'Sullivan, Ron Hui. Northern Telecom Ltd., Transmission system with cross-phase modulation compensation. U.S. Patent 6,124,960 September 26, 2000.

Chris Allen, Gregory Stump. Vermeer Manufacturing Company, Trenchless underground boring system with boring tool location. World Intellectual Property Organization Patent WO9725519A1 July 17, 1997. (pdf)

Chris Allen, Gregory Stump. Vermeer Manufacturing Company, Trenchless underground boring system with boring tool location. Canadian Patent CA2241808AA July 17, 1997. (pdf)

Chris Allen, Gregory Stump. Vermeer Manufacturing Company, Trenchless underground boring system with boring tool location. Australian Patent AU1688897A1 August 1, 1998. (pdf)

Chris Allen, Gregory Stump. Vermeer Manufacturing Company, Trenchless underground boring system with boring tool location. European Patent EP873465A1 October 28, 1998.

Chris Allen, Gregory Stump. Vermeer Manufacturing Company, Trenchless underground boring system with boring tool location. Chinese Patent CN1209184A February 24, 1999. (pdf)

Chris Allen, Gregory Stump. Vermeer Manufacturing Company, Trenchless underground boring system with boring tool location. Brazilian Patent BR9612401A December 28, 1999. (pdf)

Chris Allen, Gregory Stump. Vermeer Manufacturing Company, Trenchless underground boring system with boring tool location. Japanese Patent 503088A March 14, 2000. (pdf)

Chris Allen, Gregory Stump. Vermeer Manufacturing Company, Trenchless underground boring system with boring tool location. Russian Patent 2,175,368 October 27, 2001. (pdf)

Chris Allen, Gregory Stump. Vermeer Manufacturing Company, Trenchless Underground Boring System with Boring Tool Location. European Patent EP0873465B1 March 27, 2002. (pdf)

Chris Allen, Gregory Stump. Vermeer Manufacturing Company, Trenchless Underground Boring System with Boring Tool Location. U.S. Patent 5,720,354 February 24, 1998. (pdf)

G. S. Stump, C. T. Allen. Vermeer Manufacturing Company, Trenchless underground boring system with boring tool location. European Patent EP1227343A2 July 31, 2002. (pdf)

Chris Allen, Gregory Stump. Vermeer Manufacturing Company, Trenchless Underground Boring System with Boring Tool Location. Ireland Patent 0873465 March 27, 2002. (pdf)

Christopher T. Allen, Gregory S. Stump. Vermeer Manufacturing Company, Trenchless Underground Boring System with Boring Tool Location. Hong Kong HK1018298 December 17, 1999. (pdf)

Dan Deavours, Moncombu Ramakrishnan, and Karthik Narayanan. Virtual Short Circuit for Providing Reference Signal in RFID Tag. U.S. Patent 7,505,001 March 17, 2009.

Dan DePardo. University of Kansas, Wideband planar antenna. U.S. Patent 6,819,297 B2 November 16, 2004. (pdf)