Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5592974 | Fluid flow restrictor | David D. Grohs, Pamela K. Blanco | 1997-01-14 |
| 5364131 | Quick-connect tubular coupling | Dale L. Hartsock, John C. Caverly, Claudia M. Anderson, Ronald G. Breuhan | 1994-11-15 |