Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D393108 | Combined food hopper dispenser and trough for small animals | — | 1998-03-31 |
| D392428 | Combined food hopper and dispenser for small animals | — | 1998-03-17 |
| 4886016 | Spill resistant animal feeding dish | — | 1989-12-12 |
| D300963 | Gnaw-proof waterer for small animals | — | 1989-05-02 |
| 4821678 | Avian water bottle assembly | — | 1989-04-18 |
| 4807567 | Inverted bottle water dispenser for large animals | — | 1989-02-28 |
| 4794880 | Gnaw resistant animal water bottle | — | 1989-01-03 |
| 4762086 | Water fount for animal cages | — | 1988-08-09 |
| D294986 | Combined water bottle and drinking tube for animals | — | 1988-03-29 |
| D294750 | Pet waterer | — | 1988-03-15 |
| 4721063 | Knock-down animal feeder | — | 1988-01-26 |
| 4451257 | Surgical aspirator with poppet control valve | — | 1984-05-29 |
| 4406253 | Animal bite valve | Donald W. Vorbeck, Ronald L. Wurz | 1983-09-27 |
| 4338884 | Animal bite valve | Donald W. Vorbeck, Ronald L. Wurz | 1982-07-13 |
| 4258664 | Flared valve housing body | Donald W. Vorbeck | 1981-03-31 |
| 4184450 | Food holder for small animals | Donald W. Vorbeck | 1980-01-22 |