1
Shelly Jacques: Bicycle wheel drive. De Cordova James, Pastoriza Ralph B, June 24, 1975: US3891235 (180 worldwide citation)

The rear wheel of a bicycle is provided with left and right sprockets and cooperating left and right ratchets so that rotation of either sprocket in one direction will rotate the rear wheel in a like direction and rotation of any one sprocket in an opposite direction will not affect the rear wheel. ...


2
Rodaway Keith S: Indoor/outdoor wheelchair frame. Everst & Jennings, Pastoriza Ralph B, November 4, 1975: US3917312 (64 worldwide citation)

C-shaped frames comprise the left and right sides of a wheelchair the main left and right wheels being rotatably mounted to the base portions of the frames and left and right castor wheels being mounted only to the left and right free ends of the lower arms of the frames so that the upper arms are c ...


3
Lichowsky Abraham: Blood pressure measuring system. Medical Monitors, Pastoriza Ralph B, September 16, 1975: US3905354 (30 worldwide citation)

The blood pressure measuring system includes the generation of output signals by correlation of pressure pulses detected in a fluid system used to close off the blood flow, with acoustic pulses detected downstream near the blood flow close-off point in a patient's arm or other portion of his body. C ...


4
Rodaway Keith S: Wheelchair hub brake. Everest & Jennings, Pastoriza Ralph B, August 5, 1975: US3897857 (30 worldwide citation)

A brake for a wheelchair takes the form of a helical spring surrounding a brake drum secured to and rotatable with one of the main wheels of the wheelchair. One end of the helical spring is secured to the frame structure of the chair and the other end is arranged to be coupled to an actuating mechan ...


5
Wechsler Joseph W: Bicycle gear shift. Pastoriza Ralph B, August 26, 1975: US3901095 (27 worldwide citation)

A ten speed bicycle gear shift includes front and rear derailleurs actuated by a single continuous cable. Movement of the cable through a discrete given distance in one direction increases the gear ratio and movement of the cable through the same discrete given distance in an opposite direction decr ...


6
Shames Max: Vehicle brake warning light system accelerator pedal switch. Pastoriza Ralph B, November 25, 1975: US3921750 (23 worldwide citation)

An accelerator pedal switch and solid state electrical control circuit is adapted to be attached to a conventional vehicle for operating the vehicle brake light for a given time period in response to lifting of an operator's foot from the accelerator pedal. If the brakes are applied the normal brake ...


7
Shames Max: Vehicle brake warning light system. Pastoriza Ralph B, October 7, 1975: US3911394 (21 worldwide citation)

An accelerator pedal switch and solid state electrical control circuit is adapted to be attached to a conventional vehicle for operating the vehicle brake light for a given time period in response to lifting of an operator's foot from the accelerator pedal. If the brakes are applied the normal brake ...


8
Baker Donald L: Bicycle safety lighting generator-battery system. Pastoriza Ralph B, Pastoriza & Kelly, February 12, 1974: US3792307 (21 worldwide citation)

A generator-battery circuit connects to the head and tail lights and in the preferred embodiment of the invention, auxiliary safety lights. The generator is driven from the bicycle wheel to energize the lights when the bicycle is traveling above a given speed. The battery circuit connects in bucking ...


9
McCullough Richard C: Positive locking hinge. Pastoriza Ralph B, April 1, 1975: US3874029 (20 worldwide citation)

The positive locking hinge includes plates having lower and upper members defining journalling bores for a hinge shaft. This shaft includes a transverse pin receivable in a notch in the upper member of one hinge plate to lock the shaft to the plate against rotation. The lower end of the shaft in tur ...


10
Lichowsky Abraham: Blood pressure apparatus. Medical Monitors, Pastoriza Ralph B, September 16, 1975: US3905353 (19 worldwide citation)

A closed air system includes a reservoir and inflatable cuff arranged to block off blood flow in a portion of a person's circulatory system when inflated by air from the reservoir. An outlet tube connected to a pump passes air from the reservoir to the inflatable cuff and a single valve in a return ...