Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6058881 | Demand watering valve for fowl, birds and small animals | — | 2000-05-09 |
| 5003927 | Demand type animal watering valve | — | 1991-04-02 |
| 4573433 | Side activated animal watering valve | — | 1986-03-04 |
| 4402343 | Animal watering valve with protected biasing spring | Morris C. Keller, Francis Rustin | 1983-09-06 |
| 4231174 | Protective holder for sheet material | — | 1980-11-04 |