Butler; David O.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Butler; David O..The latest application filed is for "unitary shoulder pad and strap system".
- Butler; David O. - Tarpon Springs FL
Trademarks
| Patent | Date |
|---|---|
| Unitary shoulder pad and strap system App 20120286007 - Butler; David O. | 2012-11-15 |
| Unitary shoulder pad App 20120273534 - Butler; David O. | 2012-11-01 |
| Unitary reel marker buoy system Grant 7,175,492 - Butler February 13, 2 | 2007-02-13 |
| Locking fastener Grant 5,018,252 - Butler May 28, 1 | 1991-05-28 |
| Aerial communication cable closure Grant 4,647,715 - Butler March 3, 1 | 1987-03-03 |
| Unitary cable closure Grant 4,535,197 - Butler August 13, 1 | 1985-08-13 |
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