Patents per Year
Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 5009265 | Packer for wellhead repair unit | Thomas F. Bailey, Richard Lee | 1991-04-23 | |
| 4699126 | Methods and apparatus for massaging the spinal area and adjacent muscles | — | 1987-10-13 | |
| 4541481 | Annular electrical contact apparatus for use in drill stem testing | — | 1985-09-17 | $28,322,000 |