Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4588035 | Down hole blow out preventer and method of use | Abraham V. D. Boogaart | 1986-05-13 |
| 4398112 | Aminated winding for electric machines | — | 1983-08-09 |
| 4319152 | Laminated winding for electric machines | — | 1982-03-09 |