Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4671357 | Method of cementing a casing in a borehole | — | 1987-06-09 |
| 4519452 | Method of drilling and cementing a well using a drilling fluid convertible in place into a settable cement slurry | Yuh-Hwang Tsao | 1985-05-28 |
| 4274283 | Apparatus and method for measuring fluid gel strength | L. Donald Maus | 1981-06-23 |