Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6258757 | Water based compositions for sealing subterranean zones and methods | Ronald E. Sweatman, James F. Heathman | 2001-07-10 |
| 6060434 | Oil based compositions for sealing subterranean zones and methods | Ronald E. Sweatman, James F. Heathman | 2000-05-09 |