Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D271294 | Airplane | — | 1983-11-08 |
| 4392527 | Water well developing system | William Addison, Jr. | 1983-07-12 |
| 4340120 | Annular casing hammer | Jesse C. Kirkpatrick | 1982-07-20 |
| 4295526 | Method and apparatus for connecting steel pipe sections | Larry L. Stewart | 1981-10-20 |
| 4244208 | High-pressure leak testing apparatus and packer | Jesse C. Kirkpatrick | 1981-01-13 |
| 4232752 | Method and apparatus for driving pipe | Jesse C. Kirkpatrick | 1980-11-11 |
| 4222174 | Method and apparatus for gaging and joining pipe | Thomas D. Hauk, Kenneth J. Carstensen | 1980-09-16 |
| 4220201 | Casing perforator | — | 1980-09-02 |
| 4185492 | Leak testing apparatus and improved seals therefor | Thomas D. Hauk | 1980-01-29 |