Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4916938 | Valve leakage inspection, testing and maintenance process | John A. Aikin, Derek Angus, John W. Reinwald | 1990-04-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4916938 | Valve leakage inspection, testing and maintenance process | John A. Aikin, Derek Angus, John W. Reinwald | 1990-04-17 |