Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5996688 | Hydraulic pump jack drive system for reciprocating an oil well pump rod | Glenn S Schultz, Curtis Ring | 1999-12-07 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5996688 | Hydraulic pump jack drive system for reciprocating an oil well pump rod | Glenn S Schultz, Curtis Ring | 1999-12-07 |