Issued Patents All Time
Showing 26–37 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6497081 | Utility pole access cover with ratcheting attachment | — | 2002-12-24 |
| 6406216 | Storm sewer overflow control device | — | 2002-06-18 |
| 6303863 | Rapid attachment cover for utility pole access opening | — | 2001-10-16 |
| 6082925 | Storm sewer overflow control device | — | 2000-07-04 |
| 6071213 | Trampoline convertible for use as swimming pool | Andrey Frolov | 2000-06-06 |
| 6064005 | Rapid attachment cover for utility pole access opening | — | 2000-05-16 |
| 6024333 | Shelf bracket for wire shelves | Andrey Frolov | 2000-02-15 |
| D411738 | Shelf bracket | Andrey Frolov | 1999-06-29 |
| 5894805 | Selective vertical locking mechanism for telescoping tubes | Andrey Frolov | 1999-04-20 |
| 5802639 | Variable force clutch for linear actuator | Andrey Frolov | 1998-09-08 |
| 5683279 | Multi-part diving fin | Mark Faulconer, Tim Bowman | 1997-11-04 |
| 5630775 | Kick stroke simulator | Steve J. Fritz, David C. Barnett | 1997-05-20 |