Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5823137 | Litter box and pivotal sifting device | John Daniel Rood | 1998-10-20 |
| 5601052 | Litter box assembly | John Daniel Rood | 1997-02-11 |
| 5174343 | Pesticide application system eliminates manual pumping operations and reduces handling of pesticide concentrates | — | 1992-12-29 |