Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4719008 | Solvent extraction spherical agglomeration of oil sands | Bryan D. Sparks, F. Weldon Meadus | 1988-01-12 |
| RE32234 | Non-ferrous metal treatment | J. Keith Brimacombe | 1986-08-26 |
| 4238228 | Non-ferrous metal treatment | J. Keith Brimacombe | 1980-12-09 |