Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4738136 | Coupling for liquid meters | Johann Stamm, Ray Sutherland | 1988-04-19 |
| 4478440 | Threaded pipe coupling | Ronald N. Koch | 1984-10-23 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4738136 | Coupling for liquid meters | Johann Stamm, Ray Sutherland | 1988-04-19 |
| 4478440 | Threaded pipe coupling | Ronald N. Koch | 1984-10-23 |