Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5723042 | Oil sand extraction process | William Lester Strand | 1998-03-03 |
| 5645714 | Oil sand extraction process | William Lester Strand | 1997-07-08 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5723042 | Oil sand extraction process | William Lester Strand | 1998-03-03 |
| 5645714 | Oil sand extraction process | William Lester Strand | 1997-07-08 |