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 |
| 4012629 | Flashlight ring A flashlight ring includes a hollow toroidal finger encircling member formed in four sectors. A front sector carries a lamp socket while a rear sector carries a switch. Left and right side sectors are hinged to the rear sector for swinging movement to all... | 03/15/1977 |
