William F. Semple, a dentist, was awarded the first US Patent on chewing gum in 1869. His recipe contained powdered chalk.
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| Number | Title | Issue Date |
| 7322859 | Electrical connector A bayonet electrical connector has a spring loaded safety pin for locking the bayonet coupling. The pin projects into a recess, and a sleeve surrounds the part having the recess. The sleeve has a tab which projects into the recess, the sleeve being slidable to make ... | 01/29/2008 |
| 6893282 | Bayonet base for lamp mount Lamp mounts for tubular fluorescent lamps with a screw base are to be configured in a more compact manner for packaging purposes. A bayonet adapter (5) which can be rotated into a lamp mount (1) is provided for this purpose. The bayonet adapter (5 | 05/17/2005 |
| 5154628 | Bayonet-type sockets for high current lamps A bayonet type socket improved for handling heavy currents of Halogen bulbs has a socket shell with one or more rivet shaped electrical contacts carried by an insulating disc supported on a main spring in the shell. Each rivet contact is movable on the di... | 10/13/1992 |
| 4487469 | Mounting socket for a proximity switch This invention relates to a mounting socket for inductive proximity switches (1) of the type which comprises a number of guide pins (2) for cooperation with the socket when mounting and dismounting the proximity switch in the socket. The mounting socket c... | 12/11/1984 |
| 4329007 | Mounting of filament assemblies in lamp units A mounting member for a filament assembly comprises a generally planar base portion and a pair of projections integral with the base portion, the projections having cut-outs therein in which are received respectively a pair of mounting lugs on a base of t... | 05/11/1982 |
| 4326125 | Microelectronic memory key with receptacle and systems therefor This invention relates to improvements in the functional design of electrical key-like devices and electrical receptacles for use in combination therewith. Electronic circuitry systems, such as computers and other operating circuits, interface with the ke... | 04/20/1982 |
| 4256989 | Incandescent lamp with filament mounting means and socket adaptor An incandescent electric lamp having an envelope with a portion through which a pair of lead-in studs are brought out, the filament leads being connected to the studs. The lamp is sealed off in the area where the studs are located and an adaptor is provid... | 03/17/1981 |
| 4245878 | Electrical wallplate fittings An electrical wallplate fitting comprising a base part, a cover rotatable through a predetermined angle between initial and final positions relative to the base to secure the cover mechanically to the base part and to release the cover from the base part,... | 01/20/1981 |
| 4158474 | Light bulb and socket combination A light bulb is provided that may be hung from a ceiling and which does need any type of light fixture thereabout. The light bulb itself acts as a fixture and is connected to a light socket having a top cover plate and a mounting piece mounting the top co... | 06/19/1979 |
| 4076359 | Lamp socket assembly affording variable bulb focal length positioning A socket assembly including a tubular metallic socket member for receiving the contacting base of an electrical lamp bulb and an external socket housing member receiving said socket member therein. The socket housing and socket members are internally and ... | 02/28/1978 |
| 3951499 | Electric lamp mounting assembly An assembly for mounting an electric lamp bulb of the type adapted to mate with a bayonet coupling. The assembly includes a one-piece housing of insulating material that completely surrounds a portion of the bulb base. For insulation of the bulb from vibr... | 04/20/1976 |