Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6361687 | Quarter turn quick connect fitting | Douglas W. Ford, John Martin | 2002-03-26 |
| 6095572 | Quarter turn quick connect fitting | Douglas W. Ford, John Martin | 2000-08-01 |
| 6000916 | Pump head quick connect assembly | John Martin | 1999-12-14 |