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 |
| 3930752 | Oil well pumpoff control system utilizing integration timer A valve in the production flow line of an oil well closes a reed switch indicative of fluid being pumped through the line. The switch closure activates a first oscillator whose count is compared with a variable frequency oscillator having a frequency of a... | 01/06/1976 |
| 3930482 | Fuel injection piston and method of its manufacture A piston for a fuel injection pump for use in internal combustion engines and its method of manufacture is described. The piston is reciprocated and rotated within a cylinder having a fuel supply opening. The piston has an upper control edge determining i... | 01/06/1976 |
| 3930480 | Fuel-injection pump for an internal combustion engine A fuel injection pump for an internal combustion engine wherein a plunger is mounted in a barrel for sliding axial movement and rotation about its own axis, and the barrel is formed therein with a suction port and an outlet port. A metering groove is form... | 01/06/1976 |
