...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 |
| 7311551 | Wireless communication device including a socket for a removable memory device and method of using the same A wireless communication device includes a housing including a front, a rear, a top, a bottom, a left side, and a right side, and a printed circuit board carried by the housing and carrying electronics for operation of the wireless communication device. The printed ... | 12/25/2007 |
| 6937464 | Ergonomic hand held display The invention relates to the field of wearable and portable computers. Specifically, the invention is a flat panel display device which is designed with certain ergonomic features which allow the user to operate the display device comfortably for longer periods of t... | 08/30/2005 |
| D494582 | E-mail device | 08/17/2004 |
| 5321609 | Electronic encyclopedia A location technique in an electronic encyclopedia for presenting relevant articles in response to a user input of a query term. The technique employs a user controlled hierarchy of filter parameters. The user selects a subset of the identifying parameter... | 06/14/1994 |
| 4853682 | Data stored display device A data stored display device such as wrist watch comprises a central processing unit, a transmitting and receiving means for transmitting and receiving data and including a coil, RAMs written in and read out data under the control of the central processin... | 08/01/1989 |