Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |