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.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 4941189 | Optical character reader with skew recognition An optical character reader (OCR) using parallel state machines is provided wherein each state machine identifies a different character. Program tables for each of the state machines compare received bit strings of scanned data and compare them to positiv... | 07/10/1990 |
| 4876730 | Optical character reader with skew recognition An optical character reader (OCR) using parallel state machines is provided wherein each state machine identifies a different character. Program tables for each of the state machines compare received bit strings of scanned data and compare them to positiv... | 10/24/1989 |
