Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7181038 | Electro-acoustic transducer | Dean M. Rivera | 2007-02-20 |
| D486362 | Bedding mattock | Tim E. Atnip, Bob Denman | 2004-02-10 |
| D486363 | Single prong cultivator | Tim E. Atnip, Bob Denman | 2004-02-10 |
| D482249 | Trench clean-out shovel | Tim E. Atnip, Bob Denman | 2003-11-18 |
| D481918 | Trench clean-out shovel | Tim E. Atnip, Bob Denman | 2003-11-11 |
| D477193 | Trench digging shovel | Tim E. Atnip, Bob Denman | 2003-07-15 |
| D476201 | Mattock | Tim E. Atnip, Bob Denman | 2003-06-24 |