Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6356082 | Utility locator radio link | Guillermo A. Warley | 2002-03-12 |
| 6341579 | Litter box filter system | David B. Benz, Shawna M. Swenson | 2002-01-29 |
| 6123048 | Litter box filter system | David B. Benz | 2000-09-26 |