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 |
| 5896557 | Set top terminal A set top terminal of the present invention includes: a tuner unit for receiving a signal from an external input terminal and selecting a signal of a predetermined frequency; a signal processing unit for decoding the selected signal; a modulation unit for... | 04/20/1999 |
| 5857241 | Soft grip handle A handle for a paint roller frame includes an inner core made of a substantially rigid plastic material and an outer grip made of a softer rubber-like material surrounding the inner core and extending part way around both ends thereof. At the outer end of... | 01/12/1999 |
| 5819328 | Hydrostatic drain plug A hydrostatic drain plug/outlet assembly comprises a hollow body (1) with an inlet port and an outlet port for connection to a fluid conduit. A slidable valve member (6) is movable between a locked open position and a locked closed position via an interme... | 10/13/1998 |
| 5754696 | Apparatus for compression-coding image data and method of the same based on quantification and frequency transform coefficient amplitude reduction An image compression-coding device includes a level conversion circuit for adaptively reducing the amplitude of the quantification coefficient data based on statistical characteristics of the quantification coefficient data. The device further includes a ... | 05/19/1998 |
