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 |
| 20100066484 | REMOTE MONITOR/CONTROL FOR BILLBOARD LIGHTING OR STANDBY POWER SYSTEM A lighting monitor/control system for remote billboards uses a cellular network to provide utility power and light status information to a central controller, which in response provides control signals to individual remote billboard lighting controllers for setting oper... | 03/18/2010 |
