Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5860475 | Mixed well steam drive drainage process | Paul Sander, William McCaffrey | 1999-01-19 |
| 5417283 | Mixed well steam drive drainage process | Paul Sander, William McCaffrey | 1995-05-23 |