Famous Patents
3M employee and church chorister Art Fry needed something to temporarily mark pages in his hymnal. He was in luck because his colleague, Spencer Silver, accidentally developed a glue that was too weak for other purposes. After initially discouraging consumer response, Post-it Notes became a hit in 1979.
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| Application No. | Application Title | Issue Date |
| 20070032307 | Golfer training aid A golfer training aid formed, preferably, of a synthetic turf. A first swing channel is defined by an area between opposing uprights projecting from an upper surface of the mat. A second swing channel is defined by a cut-away portion of the mat. The first swing path per... | 02/08/2007 |
