Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5358284 | High temperature non-metallic expansion joint | — | 1994-10-25 |
| 4749168 | Damper plate sealing mechanism | Ronald K. Maxwell | 1988-06-07 |
| 4511162 | Leak indicating conduit | — | 1985-04-16 |