Gumpesberger; Ralph P.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Gumpesberger; Ralph P..The latest application filed is for "pet litter tray, box, and system".
- Gumpesberger; Ralph P. - London GB
- Gumpesberger; Ralph P. - Toronto Ontario CA
| Patent | Date |
|---|---|
| Sifting litter box Grant D839,498 - Petty , et al. Ja | 2019-01-29 |
| Pet litter tray, box, and system Grant 10,159,215 - Petty , et al. Dec | 2018-12-25 |
| Pet Litter Tray, Box, And System App 20180192610 - Petty; Nicholas ; et al. | 2018-07-12 |
| Sifting device Grant 5,325,815 - Gumpesberger July 5, 1 | 1994-07-05 |
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