Famous Patents
3M employee and church chorister Art Fry needed something to temporarily mark pages in his hymnal. He was in luck because his colleague, Spencer Silver, accidentally developed a glue that was too weak for other purposes. After initially discouraging consumer response, Post-it Notes became a hit in 1979.
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 |
| 7121501 | Wire spooling system A wire spooling system for spooling and dispensing wire. The wire spooling system includes a first spool member, having a tubular member with a locking cap and first collar, and a second spool member, having an engagement aperture and second collar. The tubular memb... | 10/17/2006 |
| 7014139 | Unwind spool assembly An unwind spool assembly for dispensing material wound into a roll includes a rotatable shaft and a mounting block rotatably mounted on the shaft for rotation about the shaft in a wind direction and an unwind direction, wherein in the unwind direction the material u... | 03/21/2006 |
| 5046679 | Film thrusting cassette In a film cassette, a film spool comprises a spool core supported for rotation in an unwinding direction to thrust a leader section of a filmstrip coiled about the spool core from the cassette and in a winding direction to return the leader to the cassett... | 09/10/1991 |
| 5031852 | Film-thrusting cassette In a film cassette, a film spool comprises a spool core supported for rotation in an unwinding direction to thrust a leader section of a film roll coiled about the spool core to the exterior of the cassette and in a winding direction to return the leader ... | 07/16/1991 |
| 5031855 | Film-thrusting cassette A film cassette comprises a spool rotatable in unwinding and winding directions to thrust a leader section of a film roll coiled about the spool from the cassette and to return the leader to the cassette; a pair of flanges coaxially arranged along the spo... | 07/16/1991 |
| 4151963 | Long wearing movie film bobbins with floating hubs This invention provides a long wearing and wear resistant construction of a movie film bobbin having a floating hub. Because of the relative rotation of the hub and panels in this type bobbin and the desired close tolerances, there is a tendency for the p... | 05/01/1979 |
| 4124176 | Self-tensioning reel A self-tensioning wire reel comprises two flanges threaded together such that, when a brake shoe applies a braking force to one flange, the other flange is free to continue rotating. This rotation on the threaded hubs brings the flanges closer together, e... | 11/07/1978 |
| 4002309 | Bobbin for cinematographic films A bobbin for films has a center of "Nylon" with two interfitting seat sections and outer side plates loosely enclosing therebetween ratchet panels to rotate therein.... | 01/11/1977 |
