Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5123446 | Dual seal coupling | Gregory A. Haunhorst | 1992-06-23 |
| 4786029 | Connect-against-pressure coupling | Robert A. Laipply, Brian A. Mack | 1988-11-22 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5123446 | Dual seal coupling | Gregory A. Haunhorst | 1992-06-23 |
| 4786029 | Connect-against-pressure coupling | Robert A. Laipply, Brian A. Mack | 1988-11-22 |