1
Allan A Voigt, John M Speicher: Integrated missile fin deployment system. Versatron, Henry M Bissell, June 13, 2000: US06073880 (45 worldwide citation)

Pairs of aerofins used for stabilization and control of missile flight are deployed through shared longitudinal slots provided in the missile body. Before launch, the pairs of aerofins, each pair comprised of a canard and a deflector, are retained in a folded position by a releasable latch mechanism ...


2
Donald E Cole, John M Speicher: Body referenced gimballed sensor system. General Dynamics Pomona Division, Neil F Martin, Michael H Jester, Edward B Johnson, August 2, 1983: US04396878 (27 worldwide citation)

A system for proportionally navigating an airframe to a target wherein the airframe is maneuvered by an onboard flight control system including body rate gyros for detecting the movement of the airframe relative to a fixed reference. A target sensor is mounted for pivotal movement in the pitch and y ...


3
John M Speicher, Che Ram S Voigt, Craig D Perry, Allan A Voigt: Fin lock mechanism. Versatron Corporation, Henry M Bissell, September 14, 1999: US05950963 (26 worldwide citation)

A mechanism for locking the fins of a missile in place when the missile is not in use utilizes tabs inserted in slots of the output shafts of the fins to immobilize the output shafts and the fins. In one embodiment, the tabs are cantilevered on a locking plate from which they extend radially toward ...


4
John M Speicher, Allan A Voigt, Che Ram S Voigt: Differential yoke-aerofin thrust vector control system. Versatron Corporation, Henry M Bissell, May 20, 1997: US05630564 (22 worldwide citation)

An actuation system for controlling the steerable nozzle of a missile or like vehicle is combined with an aerofin control system, both of which are driven in unison by associated drive motors and gear assemblies, one set for each aerofin. The nozzle steering system comprises two essentially identica ...


5
Fred D Fernandez, John M Speicher, Douglas W Unkrey, Allan A Voigt: Human powered vehicle. Versatron Research Corporation, Henry M Bissell, October 18, 1983: US04410198 (22 worldwide citation)

A human powered vehicle of the pedal-driven type having three or more wheels, a frame and seat for supporting one or more riders in a generally supine position, and a streamlined shell enclosure with a transparent canopy which is openable for entry and egress of the rider. The preferred embodiment f ...


6
John M Speicher: Differential drive rolling arc gimbal. General Dynamics Corporation Pomona Division, Neil F Martin, Edward B Johnson, December 9, 1980: US04238802 (22 worldwide citation)

A gimbal assembly in which the outer gimbal member is an arcuate yoke mounted on rollers to rotate about one axis, and the inner gimbal member is a platform pivotally mounted in the yoke to rotate about a second orthogonal axis. Two motors are connected through a differential drive system to rotate ...


7
John M Speicher: Differential drive rolling arc gimbal. General Dynamics Pomona Division, Neil F Martin, Edward B Johnson, August 4, 1981: US04282529 (21 worldwide citation)

A gimbal assembly in which the outer gimbal member is an arcuate yoke mounted on rollers to rotate about one axis, and the inner gimbal member is a platform pivotally mounted in the yoke to rotate about a second orthogonal axis. Two motors are connected through a differential drive system to rotate ...


8
John M Speicher, Allan A Voigt, Che Ram S Voigt: Differential yoke-aerofin thrust vector control system. Versatron Corporation, Henry M Bissell, April 9, 1996: US05505408 (20 worldwide citation)

An actuation system for controlling the steerable nozzle of a missile or like vehicle is combined with an aerofin control system, both of which are driven in unison by associated drive motors and gear assemblies, one set for each aerofin. The nozzle steering system comprises two essentially identica ...


9
John M Speicher: Differential drive pedestal gimbal. General Dynamics Pomona Division, Neil F Martin, Freling E Baker, Edward B Johnson, August 2, 1983: US04396919 (19 worldwide citation)

A pedestal gimbal drive assembly includes a yoke and a cross shaft mounted for movement about separate orthogonal axes for affording a sensing platform for being driven by differential drive mechanism for sweeping a hemispherical segment. One embodiment of the drive means includes an endless cable d ...


10
Paul G Redman, John M Speicher: Clamp locking device. General Dynamics Pomona Division, Henry M Bissell, Edward B Johnson, May 6, 1986: US04586425 (17 worldwide citation)

A piston-controlled locking mechanism including an external cylinder having annular retaining means, a first elongated piston located adjacent the cylinder and having ball lock positioning apertures in the extension, a second coaxially located piston positioned inside of the skirt of the first pisto ...