Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5820350 | Method and apparatus for controlling downhole rotary pump used in production of oil wells | Ben B. Wolodko | 1998-10-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5820350 | Method and apparatus for controlling downhole rotary pump used in production of oil wells | Ben B. Wolodko | 1998-10-13 |