Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D311680 | Frame corner connector | — | 1990-10-30 |
| 4379590 | Ventilation air and process air distribution for in situ oil shale retorts | Gordon B. French, Eugene A. Mills | 1983-04-12 |