Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5108073 | Butterfly valve and drive mechanism for rotation and reciprocation of valve stem of the butterfly valve | — | 1992-04-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5108073 | Butterfly valve and drive mechanism for rotation and reciprocation of valve stem of the butterfly valve | — | 1992-04-28 |