Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D839498 | Sifting litter box | Ralph P. Gumpesberger | 2019-01-29 |
| 10159215 | Pet litter tray, box, and system | Ralph P. Gumpesberger | 2018-12-25 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D839498 | Sifting litter box | Ralph P. Gumpesberger | 2019-01-29 |
| 10159215 | Pet litter tray, box, and system | Ralph P. Gumpesberger | 2018-12-25 |