Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4800948 | Method of forming a thermally activated pressure relief valve | — | 1989-01-31 |
| 4744382 | Combination thermal or pressure activated relief valve | Kevin M. Johnston | 1988-05-17 |
| 4744383 | Thermally activated valve | Kevin M. Johnston | 1988-05-17 |