Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4231389 | Removable operator for gate valves | Frank J. Huppenthal, Barbara J. Smith, Gerald H. Scotney | 1980-11-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4231389 | Removable operator for gate valves | Frank J. Huppenthal, Barbara J. Smith, Gerald H. Scotney | 1980-11-04 |