Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D408599 | Sifter insert for a litter box | David W. Vice, Michael A. Poujol, Angela G. Poujol | 1999-04-20 |
| 5893336 | Litter box with sifter insert | David W. Vice, Michael A. Poujol, Angela G. Poujol | 1999-04-13 |