1
William T Grisham, Mark D Roberts: Wireless danger proximity warning system and method. Time Domain, William J Tucker, December 12, 2006: US07148791 (86 worldwide citation)

A danger proximity warning system and method are disclosed that utilize ultra wideband (UWB) technology to effectively warn a person when there is a potentially dangerous situation in their vicinity. In one embodiment, the danger proximity warning system includes a transmitting UWB radio coupled to ...


2
William T Grisham, Mark D Roberts: Railroad collision avoidance system and method for preventing train accidents. Time Domain Corporation, William J Tucker, July 6, 2004: US06759948 (68 worldwide citation)

A railroad collision avoidance system and method are disclosed that utilize impulse radio technology to effectively warn a person when there is a locomotive in their vicinity. In one embodiment, the railroad collision avoidance system includes a transmitting impulse radio unit coupled to a locomotiv ...


3
William T Grisham, Mark D Roberts: Railroad collision avoidance system and method for preventing train accidents. Time Domain, William J Tucker, July 12, 2005: US06917284 (62 worldwide citation)

A railroad collision avoidance system and method are disclosed that utilize impulse radio technology to effectively warn a person when there is a locomotive in their vicinity. In one embodiment, the railroad collision avoidance system includes a transmitting impulse radio unit coupled to a locomotiv ...


4
William T Grisham: Pipe connector for washing machine drainage. April 13, 1993: US05201553 (4 worldwide citation)

A washing machine drain hose connector for coupling the discharge hose pipe to a sewer drain pipe is made of pliable, elastomeric material. The connector shape is a staggered, coaxial series of cylindrical sleeve sections connected end to end by integrally molded annular shoulders. The cylindrical s ...


5
William T Grisham, Mark D Roberts: Railroad collision avoidance system and method for preventing train accidents. William J Tucker, August 12, 2004: US20040155760-A1

A railroad collision avoidance system and method are disclosed that utilize impulse radio technology to effectively warn a person when there is a locomotive in their vicinity. In one embodiment, the railroad collision avoidance system includes a transmitting impulse radio unit coupled to a locomotiv ...


6
William T Grisham, Mark D Roberts: Railroad collision avoidance system and method for preventing train accidents. Time Domain Corporation, William J Tucker, March 27, 2003: US20030058131-A1

A railroad collision avoidance system and method are disclosed that utilize impulse radio technology to effectively warn a person when there is a locomotive in their vicinity. In one embodiment, the railroad collision avoidance system includes a transmitting impulse radio unit coupled to a locomotiv ...


7
William T Grisham, Mark D Roberts: Wireless danger proximity warning system and method. William J Tucker, December 15, 2005: US20050275513-A1

A danger proximity warning system and method are disclosed that utilize ultra wideband (UWB) technology to effectively warn a person when there is a potentially dangerous situation in their vicinity. In one embodiment, the danger proximity warning system includes a transmitting UWB radio coupled to ...