Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6722256 | Reduced icing valves and gas-driven motor and diaphragm pump incorporating same | Charles O. Roberts, Michael Conti, Nicholas Kozumplik, Jr. | 2004-04-20 |
| 6168387 | Reciprocating pump with linear displacement sensor | Stephen D. Able, Joseph L. Meloche | 2001-01-02 |
| 5334003 | Air valving mechanism, in combination with a double diaphragm pump subassembly | Richard K. Gardner | 1994-08-02 |