Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4497706 | Oil filter relief valve | John G. Charney, Marra Khasin | 1985-02-05 |
| 4473471 | Filter sealing gasket with reinforcement ring | Arthur W. Robichaud, John G. Charney, Richard McGillick | 1984-09-25 |
| 4258754 | Method and apparatus for fluid sound amplification and detection of low frequency signals | — | 1981-03-31 |