Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D458612 | Housing for a rotary lawnmower | Robert Craig Bontrager, Donald W. Payne, Richard J. Pitman | 2002-06-11 |
| D458613 | Housing for a rotary lawnmower | Robert Craig Bontrager, Donald W. Payne, Richard J. Pitman | 2002-06-11 |
| 6205755 | Quick change blade assembly for a rotary mower | Robert Craig Bontrager, Richard J. Pitman | 2001-03-27 |
| 5711141 | Reversible mower blade | Richard J. Pitman | 1998-01-27 |
| PP7822 | Plumbago Auriculata cv. Monott | — | 1992-03-10 |
| D255573 | Rear discharge rotary lawn mower | William A. Cox, Larry M. Cognata | 1980-06-24 |