Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 5860794 | Double diaphragm pump with air valve block moving in a rectangular pattern | Kent Hand, Ann Feitel, Joel T. Fisher, Harold D. Johnson | 1999-01-19 | $2,464,000 |