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Peter K van der Gracht, Robert W Donaldson: Modem for pseudo noise communication on A.C. lines. The University of British Columbia, Christie Parker & Hale, May 30, 1989: US04835517 (265 worldwide citation)

A modem which may operate as a transmitter or receiver, is provided for use on a line carrying an A.C. signal. The modem comprises a pseudorandom code generator which produces a pseudorandom code signal of a frequency an integral multiple of the A.C. signal frequency. Synchronization means synchroni ...


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Tom F Sonnek, Brandon L Hemann, Robert W Donaldson: Intuitive control system for power assisted vehicle doors. Trimark Corporation, McKee Voorhees & Sease, March 13, 2012: US08132844 (10 worldwide citation)

A heavy vehicle door or ramp is opened and closed using an intuitive control system. The door includes a latch assembly, a lock assembly, and a power unit to assist in opening and closing the door. The door includes an interior joy stick handle and an exterior lever handle. From outside the vehicle, ...


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Douglas C Miller, Brian J Rogalske, Michael S Serbay, Robert W Donaldson, Douglas A Fischer: Visor with extender blade and guide therefor. Lear Donnelly Overhead Systems L L C, Brooks & Kushman P C, February 20, 2001: US06189949 (4 worldwide citation)

A sun visor is disclosed having a body with an aperture through which an extender blade selectively slides between fully retracted and fully extended positions. The visor body is a clamshell type having first and second shell halves. A guide rib is located on one shell half to align and guide the ex ...


4
Brandon L Hemann, Robert W Donaldson, Dennis J Zweibohmer: Heavy duty door latch and release modules. Trimark Corporation, McKee Voorhees & Sease, January 10, 2012: US08091933 (2 worldwide citation)

A heavy duty vehicle door latch assembly is provided with interconnected latch, release, and bell crank modules to form a single, pre-assembled unit for quick and easy installation on the inside of a vehicle door. The modular design allows for application to multiple door layouts and arrangements. T ...


5
Robert W Donaldson, Brandon L Hemann: Unitary latch, blast lock, and release handle assembly for vehicle door. Trimark Corporation, McKee Voorhees & Sease, April 7, 2015: US08998275

An assembly is provided for opening a heavy weight door, such as on a military vehicle, by an occupant in the vehicle. The assembly includes a latch module with a catch and rotor adapted to engage and disengage the striker on the door frame, a blast lock module including a pawl adapted to engage and ...


6
Tom F Sonnek, Brandon L Hemann, Robert W Donaldson: Intuitive control system for power assisted vehicle doors. Trimark Corporation, McKee Voorhees & Sease, April 14, 2015: US09004552

A heavy vehicle door or ramp is opened and closed using an intuitive control system. The door includes a latch assembly, a lock assembly, and a power unit to assist in opening and closing the door. The door includes an interior joy stick handle and an exterior lever handle. From outside the vehicle, ...


7
Tom F Sonnek, Brandon L Hemann, Robert W Donaldson: Intuitive control system for power assisted vehicle doors. Trimark Corporation, McKee Voorhees & Sease, August 13, 2013: US08506002

A heavy vehicle door or ramp is opened and closed using an intuitive control system. The door includes a latch assembly, a lock assembly, and a power unit to assist in opening and closing the door. The door includes an interior joy stick handle and an exterior lever handle. From outside the vehicle, ...


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