Patents per Year
Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5242022 | Method and apparatus for isolating a zone of wellbore and extracting a fluid therefrom | Mickey W. Eckhart, Thomas J. McCaffrey, James F. McCaffrey | 1993-09-07 |
| 4605067 | Method and apparatus for completing well | — | 1986-08-12 |
| 4600056 | Method and apparatus for completing well | — | 1986-07-15 |
| 4182423 | Whipstock and method for directional well drilling | Timothy D. Ziebarth, Ray L. Hauser, James R. Thompson, John F. Harris, Jr., Michael Gibbons | 1980-01-08 |