Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5918913 | Quick-connect coupling for articulating hose lines | Darwin C. Olson | 1999-07-06 |
| 5234017 | Restrictor valve for a metered liquid dispensing system | David J. Aslin, William C. Marrison, David Zander | 1993-08-10 |
| 5226682 | Coupling assembly | William C. Marrison, Christopher E. Schadewald, David S. Densel | 1993-07-13 |