Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5363610 | Seismic anchor | Donald J. Webb | 1994-11-15 |
| 4501644 | Apparatus for the selective retorting of carbonaceous materials | — | 1985-02-26 |
| 4347119 | Horizontal oil shale and tar sands retort | — | 1982-08-31 |