Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4327765 | Butterfly valve having leak detecting means | Thomas A. Wilson | 1982-05-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4327765 | Butterfly valve having leak detecting means | Thomas A. Wilson | 1982-05-04 |