Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7252618 | Rack and pinion transmission for a pintle valve | Joseph G. Spakowski, Robert B. Perry, Callisto Genco, Richard R. Kuhr, Muquarram Colabawala +1 more | 2007-08-07 |
| 7213613 | High-flow dual poppet valve having equalized closing forces | Joseph G. Spakowski | 2007-05-08 |