Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5125274 | Tube testing apparatus | — | 1992-06-30 |
| 4875372 | Echo cancellation system | — | 1989-10-24 |
| 4700575 | Ultrasonic transducer with shaped beam intensity profile | Glenn A. Geithman | 1987-10-20 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5125274 | Tube testing apparatus | — | 1992-06-30 |
| 4875372 | Echo cancellation system | — | 1989-10-24 |
| 4700575 | Ultrasonic transducer with shaped beam intensity profile | Glenn A. Geithman | 1987-10-20 |