Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12414537 | Litter box with removable liner | Richard A. Williams | 2025-09-16 |
| D1000030 | Litter disposal container | Richard A. Williams | 2023-09-26 |
| D870988 | Litter box | Richard A. Williams | 2019-12-24 |
| D850029 | Litter box | Richard A. Williams, Qi Liang | 2019-05-28 |
| D625057 | Litter box for an animal | Rich Williams | 2010-10-05 |
| D604915 | Scoop for animal litter | Rich Williams | 2009-11-24 |