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.
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| Number | Title | Issue Date |
| 7360985 | Wafer processing apparatus including clean box stopping mechanism The semiconductor wafer processing apparatus includes a clean box having an opening, a lid for closing the opening, a door to be in contact with the lid and to detach the lid from the clean box, a first stopper adapted to move in conjunction with movement of the cle... | 04/22/2008 |
| 6767176 | Lift pin actuating mechanism for semiconductor processing chamber A set of lift pins defines a storage location for a substrate in a substrate processing chamber. Each lift pin has an actuating mechanism including a translating mechanism that translates vertical actuation into horizontal motion. The actuating mechanism may include... | 07/27/2004 |
| 4859137 | Apparatus for transporting a holder between a port opening of a standardized mechanical interface system and a loading and unloading station An apparatus is provided for transporting a holder for holding articles between a port opening providing access to the system and a loading and unloading station, the apparatus comprising: a first platform for supporting the holder in the course of transp... | 08/22/1989 |
| 4778330 | Elevator device for an agricultural tractor loader The elevator device for an agricultural tractor loader comprises a swing member bearing in an articulated manner on a member protruding from a bracket in direction of the tractor loader. The swing member is moreover supported and actuated by a cylinder co... | 10/18/1988 |
| 4057156 | Lifting arm apparatus A trash collecting system, apparatus, and method in which a vehicle approaches, reaches for, grasps, raises along its side, and inverts into its body a sequence of containers conveniently located at ground level, returning each container to its original p... | 11/08/1977 |
