Did You Know...
...that two musicians were responsible for the invention of color print film? Fascinated by photography, Leopold Godowsky and Leopold Mannes worked together to produce an easy-to-use, practical color film. They worked full time as music teachers and gave concerts while experimenting during their off hours in Mannes' kitchen. Their success earned them full-time, well-paying jobs at Kodak and their efforts resulted in Kodachrome film, which was introduced in 1935.
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 |
| 6955515 | Locking turn pin A hand tightened locking pin using a unique internal cam configuration to lock the pin assembly. The pin assembly includes a sleeve and a locking cam unit. The sleeve includes anti-rotation protrusions that match a keyhole in a first metal plate to prevent rotation ... | 10/18/2005 |
| 5605422 | Nail with expansion region A nail comprises a shank having an expansion portion with two curved expansion limbs defining a free space therebetween, a first straight shank portion and a second straight shank portion located correspondingly before and after the expansion region, the ... | 02/25/1997 |
| 5529424 | Dowel-type pin for connecting components, particularly furniture plates A dowel-type pin for connecting structural components, particularly for connecting furniture plates, is in a mounted position held over a portion of its length in a receiving opening of at least one of the plates to be connected. The pin is divided in lon... | 06/25/1996 |
| 5326207 | Safety screw A screw having a threaded shaft, a head on the shaft and means to permit rotation of the screw. There is a longitudinal slot extending along at least a portion of the threaded shaft to receive a locking member. The invention has a particular application i... | 07/05/1994 |
| 4930963 | Driven tubular wall-plug anchoring element for light and porous concrete A wall plug anchor assembly is provided including a sleeve, a spherical body for flaring anchoring ends of the sleeve which body is inserted from a head end of the sleeve into an unslotted portion thereof, and a driver. By means of the driver, the spheric... | 06/05/1990 |
| 4906149 | Wall plug anchor assembly for mounting in a preformed hole The wall plug anchor assembly is applicable to heavy-duty and reinforced concrete and the like, of a construction component such as a wall and the like environments. The wall plug anchor assembly includes a metallic sleeve having a head of a respectively ... | 03/06/1990 |
| 4770587 | Locking pin A locking pin formed from an elastic material having in its longitudinal direction a symmetrical cross-sectional configuration having two opposite outlines (3,5), one of which (3) is formed by two straight lines extending from the ends of the pin and meet... | 09/13/1988 |
| 4579477 | Pin-key assembly A tapered pin-key for securing a part and a shaft where the part has a cylindrical bore for receiving the shaft and a keyway tangentially intersecting the bore, and the shaft has a tangential groove shallower than the depth of the intersection of the keyw... | 04/01/1986 |
| 4192089 | Retainer for releasably securing a tooth tip of a digger tooth A retainer for the releaseable securing of a tooth tip of a digger tooth on a holder, the tooth tip being provided with a sleeve, and the holder engaging in the sleeve and being rigidly connected with the digger edge of the shovel bucket. The retainer is ... | 03/11/1980 |
| 4087928 | Multi-sectional resilient retainer for excavating tooth Multi-sectional resilient retainer pin for excavating tooth, whereof the multiple sections define a ring effective for 360° lateral stability of the pin and solid self-centering and self-retention.... | 05/09/1978 |
| 3990162 | Retaining means for earthworking tips An earthworking device comprises an adapter having a tip detachably mounted on a forward end thereof. A flat pin of rectangular cross section, disposed in aligned bores formed through the adapter and the tip, is held in place by a triangularly shaped spri... | 11/09/1976 |
| 3952433 | Spring clip retaining means for earthworking tips An earthworking device comprises a support member having a work tool, such as an earthworking tip, detachably mounted on a forward end thereof. A pin is disposed in aligned bores formed through the support member and the work tool and a spring clip stradd... | 04/27/1976 |
| 3951443 | Security lock A security system for double doors which incorporates keeper blocks secured to the doors near their free edges in positions such that they overlap vertically when the doors are closed. The blocks have holes extending vertically therethrough which align wh... | 04/20/1976 |
