1
John F Holland: Method and apparatus for monitoring and indicating the condition of a battery and the related circuitry. Robert G Mentag, May 12, 1987: US04665370 (155 worldwide citation)

A method and apparatus for testing the battery and the related circuitry of an internal combustion automobile every time the vehicle is started. The test is automatic and the results are available for visual interpretation at the discretion of the operator. The cranking motor furnishes the load for ...


2
Robert D Shomo: Shock and vibration absorbent handle. Robert G Mentag, April 28, 1987: US04660832 (107 worldwide citation)

A shock and vibration handle for application to the hand gripping portion of the normal handle of an impacted, vibration sensitive item, such as, a tennis racket, a racquetball racket, a golf club, a baseball bat, and other impact devices, such as hammers, and the like. The shock and vibration absor ...


3
James Pinkney: Loose leaf binder lift lock. South Park Sales & Mfg, Robert G Mentag, September 29, 1987: US04696595 (50 worldwide citation)

A loose leaf binder lift lock having a tubular body with a tapered front end, a tubular locking ball carrier mounted in the body and carrying a plurality of locking balls and movable between a ball locking position and a ball unlocking position, a retainer spring for releasably retaining the ball ca ...


4
Richard J Lessway: Automatic centering and gripper apparatus. Arobotech Systems, Robert G Mentag, March 17, 1987: US04650237 (50 worldwide citation)

An automatic centering and gripping apparatus which includes a housing in which is slidably mounted a longitudinally movable operator body. A pair of gripper arms are slidably mounted on the operator body. Each gripper arm carries a gripper member engageable with a workpiece. The gripper members are ...


5
Frederick F Fritz, Ralph L Daigle: Air ventilation and pollution cleaning system. Alco Foodservice Equipment Company, Robert G Mentag, November 27, 1984: US04484563 (43 worldwide citation)

An air ventilation and cleaning system for cooking equipment having an exhaust hood disposed thereover in a building having a heating-ventilating and air-conditioning system for treating the air in the building. The exhaust hood includes a collection chamber and an exhaust chamber with an initial fi ...


6
Robert D Shomo: Folding bicycle. Robert G Mentag, November 29, 1983: US04417745 (38 worldwide citation)

A folding bicycle with a hinged frame comprising a front portion and a rear portion. The front and rear frame portions are connected by a hinge structure which permits the front frame portion to be rotated about the vertical axis of the hinge structure to a position against the rear frame portion fo ...


7
Robert S Djorup: Directional hot film anemometer transducer. Kyma Corporation, Robert G Mentag, May 24, 1977: US04024761 (33 worldwide citation)

A directional hot film anemometer transducer for sensing the speed and direction of a fluid velocity vector that describes the motion of the fluid in which the transducer is immersed. The transducer is constructed of two cylindrical resistive electrical conductors which are mounted on either side of ...


8
Frederick F Fritz: Apparatus and method for cleaning air. Oxford Air Systems, Robert G Mentag, April 6, 1982: US04323373 (32 worldwide citation)

An apparatus and a method for cleaning air carrying smoke, grease, ordors and other pollutants. The air having the grease and other pollutants, such as the exhaust air from a restaurant cooking grill, is passed through a filter box in which is mounted two pairs of planar filter members. The air is p ...


9
Thomas F Adams: Garden equipment support rack. Robert G Mentag, February 14, 1995: US05388709 (30 worldwide citation)

A garden equipment support rack for mounting on an upright post having a front face and two side surfaces, such as a building wall stud, and on upright posts on movable structures, such as on landscape trucks. The support rack includes at least one elongated hook member having an inner end structure ...


10
John C Sherman: Ball valve with integrated removable flow venturi, flow balancing means, and pipe union means. Hydronic Components, Robert G Mentag, July 9, 1996: US05533549 (30 worldwide citation)

A valve assembly for use in heating, ventilating and air conditioning systems. The valve assembly includes a valve body having a chamber in which is rotatably mounted a quarter-turn flow control ball valve. A valve body nut having an outlet port is threadably mounted on the valve body adjacent the o ...



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