Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7015822 | Battery capacity and usage system | James F. Calvagna | 2006-03-21 |
| 5947702 | High precision fluid pump with separating diaphragm and gaseous purging means on both sides of the diaphragm | Clifford Biederstadt, Gerald B. Costello | 1999-09-07 |
| 4770859 | Dispenser for chemicals | — | 1988-09-13 |