Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5577709 | Stem seal configuration for ball valves | Zbigniew Gugala, John N. Scapes | 1996-11-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5577709 | Stem seal configuration for ball valves | Zbigniew Gugala, John N. Scapes | 1996-11-26 |