Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 4415365 | Barrier for containing spent oil shale | Byron G. Spars | 1983-11-15 | $25,623,000 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 4415365 | Barrier for containing spent oil shale | Byron G. Spars | 1983-11-15 | $25,623,000 |