U.S. patents available from 1976 to present.
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Patent No. 6711769

Pillow with retractable umbrella

A pillow assembly having a supporting assembly and a retractable umbrella assembly that is easily transportable and allows a user to support his/her head while covering their face from sunlight.

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Class 191/13 - PLATE CONDUCTOR


Subclass of Class 191 - Electricity: transmission to vehicles
Definition: Devices wherein means involving conductors having two-dimension
No. of patents: 5
Last issue date: 06/24/2003


NumberTitleIssue Date
6581350Floor construction for an amusement ride
A floor for a bumper car amusement ride is of modular construction. A base of each module may be of wood and has a multitude of openings for inserted reception of threaded studs welded to the underside of sheet metal panels extending lengthwise thereof. N...
06/24/2003
5690197Power supply device for supplying a drive power to a movable object
A power supply device includes a power supply member having: a first conductive plate electrically connected with one of positive and negative terminals of a power source; a second conductive plate electrically connected with the other terminal; a first i...
11/25/1997
4324301Bumper car amusement ride
A bumper car amusement ride includes a floor to which is adhesively bonded over their entire under surfaces a plurality of elongated electrically conductive plates separated by electrically non-conductive strips and with adjacent plates connected across a...
04/13/1982
4217975Current collector for amusement park bumper cars
A current collector arrangement for amusement park bumper cars in which current for the driving motor of the car is taken from a wire mesh stretched overhead. The current is conducted by a current collector tube and returned to the floor provided with met...
08/19/1980
3978934Amusement ride power
This invention is in the field of electrically operated amusement vehicles, such as bumper cars and the like, in which the vehicles receive electrical energy from segments of floor material alternately connected to the different poles of a source of elect...
09/07/1976
 
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