Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4944191 | Ultrasonic detector | John Pastrone, George Fellingham | 1990-07-31 |
| 4821558 | Ultrasonic detector | John Pastrone, George Fellingham | 1989-04-18 |
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4944191 | Ultrasonic detector | John Pastrone, George Fellingham | 1990-07-31 |
| 4821558 | Ultrasonic detector | John Pastrone, George Fellingham | 1989-04-18 |