Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6955136 | Method for incorporating baking soda into kitty litter box liner and liner | — | 2005-10-18 |
| 6837181 | Animal litter | Marty Johnes | 2005-01-04 |
| 5121712 | Animal litter box liner | Joan E. Polsen | 1992-06-16 |
| 4386579 | Animal litter | Angie Harsh | 1983-06-07 |
| 4296709 | Animal litter preparation | — | 1981-10-27 |