Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6651957 | Tractrix valve | John J. Wordin | 2003-11-25 |
| 6484999 | Plug valve internal pressure balancing | John J. Wordin | 2002-11-26 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6651957 | Tractrix valve | John J. Wordin | 2003-11-25 |
| 6484999 | Plug valve internal pressure balancing | John J. Wordin | 2002-11-26 |