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 |
| 7149530 | Device for presenting information to mobile A device for presenting information on a mobile includes mobiles and terminals interconnected intercommunicably through communication means, wherein a terminal transmits, to the mobile concerned, mobile identification data on a mobile to which a request for mobile i... | 12/12/2006 |
| 6861946 | Motion-based input system for handheld devices A motion-based input system including a motion sensor coupled to a device. The motion sensor provides a motion signal corresponding to the movement of the device. The system further includes a processor responsive to the motion signal and configured to distinguish b... | 03/01/2005 |
| 4598289 | Control device for a synchro receiver A control device suitable for synchros comprising three stator windings. The device comprises four circuit branches with the inputs of the first and the second branches interconnected to receive a first voltage from the ends of the stator windings of the ... | 07/01/1986 |
| 4193059 | Attitude indicator comparator warning system The indications of attitude indicators at two different indicating locations that are indicating the same parameter but actuated from different sources, are monitored for the same indication by electrically interconnecting two transolvers that are mechani... | 03/11/1980 |
| 3935645 | Apparatus for indicating relative azimuth An arrangement for indicating a relative azimuth between two objects remote from each other, such as a control station and a mobile unit remotely controlled by the station, on which are respectively mounted first and second synchronous transmitters for ge... | 02/03/1976 |
