Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886303 | Coupling with improved elastomeric face seal | Kenneth M. Johnson | 1989-12-12 |
| 4643459 | Quick-connect hose coupling | — | 1987-02-17 |
| 4589566 | Pressure responsive safety interlock | Joe F. Rives | 1986-05-20 |