Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5632848 | Continuous processing equipment for making fiberboard | Turner W. Richards, Hubert C. Francis, George F. Fowler, Edward Rigby | 1997-05-27 |
| 4818287 | Fiber reinforced plaster molds for metal casting | Thomas L. Ravins | 1989-04-04 |
| 4343127 | Fire door | Charles W. Lehnert | 1982-08-10 |