Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4872148 | Ultrasonic transducer for use in a corrosive/abrasive environment | John P. Kirby | 1989-10-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4872148 | Ultrasonic transducer for use in a corrosive/abrasive environment | John P. Kirby | 1989-10-03 |