Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5441389 | Eddy current drive and motor control system for oil well pumping | John H. Wolcott, Alvin Watson | 1995-08-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5441389 | Eddy current drive and motor control system for oil well pumping | John H. Wolcott, Alvin Watson | 1995-08-15 |