Quotables
"The wireless music box has no imaginable commercial value. Who would pay for a message sent to nobody in particular?"
David Sarnoff, American radio pioneer ; 1921
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| Number | Title | Issue Date |
| 7506734 | Vehicle brake system A vehicle brake system comprising an actuator and a mechanical linkage, whereby a force produced by the weight of the vehicle is transmitted via the mechanical linkage to the actuator to provide a braking force. ... | 03/24/2009 |
| 7172047 | Seat brake apparatus A seat brake apparatus having a small number of components. A pivot member connected to a seat is pivotally supported by a front plate of the battery compartment. A contact plate is connected to the front plate. A torsion spring supported by the front plate has a fi... | 02/06/2007 |
| 5197405 | Auxiliary boat wheel apparatus A transportation and launching device for boats which can be handled by one person and which is carried with the boat during overland transportation, launching, and water operation of the boat. The device remains completely external to the boat during ope... | 03/30/1993 |
| 4650197 | Hand trolley A hand trolley for ascending and descending stairs is disclosed as including an elongated frame with a pair of outer rails and a pair of inner rails being spaced from the outer rails, a pair of wheels mounted on the frame at one end of the outer rails wit... | 03/17/1987 |
| 4491201 | Trolley A trolley assembly for use in an automobile lift rack employs individual trolley wheel mounts wherein the wheel is supported by a plurality of elastomeric mounts arranged in vertically displaced, mutual relationship to prevent bending of the mounts when t... | 01/01/1985 |
| 4480846 | Base panel retaining baby walker against movement A wheeled baby walker is adapted to be rendered immobile by positioning a base panel at a location to be received beneath the feet of a baby supported by the walker, with the panel being supported on a floor or ground surface independently of the wheels o... | 11/06/1984 |
| 4243217 | Exercising apparatus A cycling exerciser comprises a frame within which is mounted a pedal-driven wheel. A lever carrying a pair of rollers is pivotally mounted on the frame and the rollers are biased into engagement with the wheel by means of a weight also carried by the lev... | 01/06/1981 |
| 4151900 | Brake assembly for a rotatable shaft A brake assembly for maintaining uniform tension in plastic sheet material being unwound from a supply roll supported on a rotatable shaft. The brake assembly includes a pair of rollers which rotatably support the shaft. One roller is vertically displacea... | 05/01/1979 |
