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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| Number | Title | Issue Date |
| 7239935 | Pluggable external wireless receiver module for a sewing machine A pluggable external wireless receiver module includes a housing, a power terminal unit, a receiver device, and a control terminal unit. The power terminal unit is mounted on the housing and is adapted for connection to a power source. The receiver device is mounted... | 07/03/2007 |
| 6979963 | Method of wirelessly controlling a sewing machine In a method of wirelessly controlling a sewing machine, a wireless receiver module receives an initial signal transmitted wirelessly and continuously from a speed control module in response to a treading action thereon, and stores a preset security code portion of t... | 12/27/2005 |
