Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6136935 | Method for control of fluid loss and gas migration in well cementing | Kim Hancock-Grossi | 2000-10-24 |
| 6107256 | Method of and additive for controlling fluid loss from a drilling fluid | Kim Hancock-Grossi, Charles R. George | 2000-08-22 |
| 6089318 | Method for control of fluid loss and gas migration in well cementing | Steven B. Laramay, Charles R. George | 2000-07-18 |
| 6085840 | Method for control of liquid loss and gas migration in well cementing | Steven B. Laramay | 2000-07-11 |
| 5988279 | Method for control of fluid loss and gas migration in well cementing | Kim Hancock-Grossi | 1999-11-23 |