Did You Know...
...that while attempting to develop a super strong glue, 3M employee Spencer Silver accidentally developed a glue that was so weak it would barely hold two pieces of paper together? However, his colleague Art Fry needed the glue. Fry sang with his church choir and marked the pages of his hymnal with small scraps of paper that often fell out. He used Silver's glue to hold the papers in place. Today we call this invention Post-it Notes.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7198505 | Light socket 3 Improvements to a 3-way light bulb socket are shown. The major improvement is to replace or complement the rigid middle contact element of the socket with an elastic/flexible contact spring. The 3-way light bulb has a solder blob on its middle contact ring, w... | 04/03/2007 |
| 6979230 | Light socket Improvements to 3-way light bulbs and to their electrical sockets are shown. The major improvement is to replace the rigid middle contact element of the socket by an elastic contact spring. Other improvements are described, which can be applied to the bulbs as well.... | 12/27/2005 |
| 5997354 | Plastic housing and base construction especially for compact fluorescent lamps and electronic operating units thereof Plastic housing and base construction, especially for compact fluorescent lamps and operating units thereof comprising a housing (1) which is a cup-like body and a base (2) having a metal base shell (26) and at least one metal central (3) or end contact p... | 12/07/1999 |
| 5573419 | Safety lampholder for Christmas tree light sets and the like A safety lampholder has center and side contacts which are concealed and cannot easily be touched by fingers when the lamp screw base is not threaded into the screwthreads. Ring and tip contacts of the lamp screw base are disposed in contact with the cent... | 11/12/1996 |
| 4654541 | Lamp dimmer casing A remotely controlled assembly (10) for controlling the electrical power to an electrical load having an electrical circuit (14) for controlling the electrical power supply to the electrical load in response to a predetermined female threadable radio sign... | 03/31/1987 |
| 4624513 | Lamp holder assembly having rotatable base shell A lamp holder assembly includes a first housing having a central body portion and a protruding portion surrounded by a base shell and a retainer member secured to the protruding portion of the first housing. A means for permitting a predetermined amount o... | 11/25/1986 |
| 4610498 | Polarized threaded lamp base A polarized screw base assuring constant angular orientation of a lamp has a polarizing locator for engaging a stop in a mating socket. The locator consists of a length of metal rod welded lengthwise on the crest of a base thread with multiple spot welds ... | 09/09/1986 |
| 4450510 | Incandescent-fluorescent compatible lighting products Ordinary incandescent lighting products, such as table lamps, floor lamps, ceiling fixtures, etc., are designed to be used with regular screw-in incandescent lamps, and can not be used with non-self-ballasted fluorescent lamps--even if these had been furn... | 05/22/1984 |
| 4429942 | Threaded lamp adapter An adapter for permitting a lamp to be threaded into a light socket while preventing damage to the socket through application of excessive threading force includes a threaded sleeve rotatably mounted on a cylindrical body and conductive securing means for... | 02/07/1984 |
| 4360243 | Threaded lamp adapter An adapter for permitting a lamp to be threaded into a light socket while preventing damage to the socket through application of excessive threading force includes a threaded sleeve rotatably mounted on a cylindrical body and conductive securing means for... | 11/23/1982 |
| 4029387 | Electric lamp base and method of assembly A base assembly and method for electric incandescent lamps in which a preformed base insulator and contact eyelet are assembled with a conventional base shell by threading the insulator and contact eyelet as a subassembly into the shell. Provision is made... | 06/14/1977 |
| 4003624 | Snag-proof electric lamp base having a single end-contact component The peripheral edges of the metal eyelet that is embedded in the end of the insulator of an electric lamp base are recessed behind a notched portion of the insulator which prevents the eyelet from being accidentally snagged and "lifted" or otherwise defor... | 01/18/1977 |
