Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8678082 | Hydraulic oil well pumping apparatus | Michael A. Fesi, Kenneth H. Vincent | 2014-03-25 |
| 8235107 | Hydraulic oil well pumping apparatus | Michael A. Fesi, Kenneth H. Vincent | 2012-08-07 |
| 7762321 | Hydraulic oil well pumping apparatus | Michael A. Fesi, Kenneth H. Vincent | 2010-07-27 |