Did You Know...
...Chester Carlson was a patent agent who tired of having to make multiple copies of patent applications using the only duplication method available at the time: carbon paper. In 1959 he came up with a new copying system and took it to IBM for evaluation. The "experts" at IBM determined potential sales to be only 5,000 units because people wouldn't want to use a bulky machine when they had carbon paper. Carlson's invention was the xerography process, the company founded on the system is Xerox.
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| Number | Title | Issue Date |
| 4158221 | Light fixture A fixture for a plurality of tubular electric lamps comprises an elongated insulating angle bar-frame having two flat mutually perpendicular flanges joined by a flat central web at 45° to the flanges. Flat conductors on the inner faces of the flanges car... | 06/12/1979 |
| 4141056 | Tennis court floodlighting system A floodlighting system for one or more tennis courts utilizing a pair of high-level floodlamp supporting structures adjacent a diagonally related set of corners of the perimeter zone of a tennis court. The lamps on each support are directed onto the adjac... | 02/20/1979 |
| 4133023 | Flash lamp array having electrical shield A photoflash lamp array comprising a housing elongated vertically and containing elongated flash lamps lying horizontally and stacked vertically, the flash lamps having lead-in wires extending from ends thereof near the sides of the housing and connected ... | 01/02/1979 |
| 4128863 | Stowable decorative lights A string of outdoor decorative lights is connected to a facer board on a building cave. A stowable embodiment of the invention provides hinged attachment to the facer board and means for securing the string in a display position or in a hidden position. S... | 12/05/1978 |
| 4118764 | Lamp assembly An assembly comprising a lens, a housing assembly including a bottom wall and a resilient mounting member fixed on the bottom wall. The resilient mounting member has a central portion spaced from said bottom wall and having a centrally located opening the... | 10/03/1978 |
| 4107767 | Flexible lighting strip A flexible lighting strip comprises an elongate section of a plastics material having a portion formed as a cylindrical duct which houses a chain of electric lamps. At the rear of that portion is a hollow portion which contains a pair of conductors for fe... | 08/15/1978 |
| 4107770 | Modular chandelier with plug-in arms A modular chandelier includes a rigid central frame and a plurality of radially disposed arms each of which is easily detachable from the frame. Mating electrical contacts are associated with the mechanical attachment means for each arm, so that the arm i... | 08/15/1978 |
| 4086479 | Removable lamp device A removable lamp device for use on a vehicle such as a boat trailer. The device includes a base mountable on the vehicle and having a first planar surface having three first substantially planar resilient slide contacts thereon each connected to one condu... | 04/25/1978 |
| 4057718 | Arrangement for supporting lighting fittings and the like This invention relates to an arrangement for suspending lighting fittings and the like along or at traffic-routes and the like, comprising lines carried by standards and intended to carry or support the lighting fittings. The novelty lies in that the stan... | 11/08/1977 |
| 3970837 | Magnetic light assembly A light assembly which is magnetically attachable to a vehicle having a curved metal surface. A plurality of metal brackets are fixedly attached by means of rivets to a flexible elongated magnetic member. Lights are mounted to the brackets. A flexible cov... | 07/20/1976 |
