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Patents Issued in 1999


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)

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)

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)

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

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)

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