Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6961622 | Device for surface stimulation of acupuncture points | — | 2005-11-01 |
| D408251 | Metal-working hammer | — | 1999-04-20 |
| 5333685 | Wireline set and tubing retrievable packer | — | 1994-08-02 |
| 5101904 | Downhole tool actuator | — | 1992-04-07 |
| 4687063 | Well cementing method and apparatus | — | 1987-08-18 |
| 4513822 | Anchor seal assembly | — | 1985-04-30 |
| 4479548 | Setting tool adapter kit | — | 1984-10-30 |
| 4469173 | Expendable plug assembly | Robert W. Evans | 1984-09-04 |
| 4193460 | Perforating gun with paired shaped charger vertically spaced | — | 1980-03-18 |