Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4453884 | Hook rotating mechanism | — | 1984-06-12 |
| 4421447 | Elevator transfer and support system | William E. Guier | 1983-12-20 |
| 4291762 | Apparatus for rapidly attaching an inside blowout preventer sub to a drill pipe | — | 1981-09-29 |
| D259454 | Multiple projector registration platform | — | 1981-06-09 |
| D258738 | Lens support for slide projector | — | 1981-03-31 |