Patents per Year
Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5816194 | Animal operated water dispensing valve | — | 1998-10-06 |
| D397531 | Pet water bottle | — | 1998-08-25 |
| D370750 | Animal water bottle holder | — | 1996-06-11 |
| 5447118 | Water bottle assembly having gnaw protection shield | Robert R. Rofen | 1995-09-05 |
| D356405 | Protective guard for small animal water bottles | — | 1995-03-14 |
| D355732 | Bottle holder | — | 1995-02-21 |
| 5363802 | Gnaw resistant animal watering bottle | — | 1994-11-15 |
| D302388 | Combined liquid dispensing cap and tube | — | 1989-07-25 |
| D257324 | Tube supporting clip | — | 1980-10-14 |