Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4823600 | Ultrasonic transducer and current loop transmitter | Mark A. Goodman | 1989-04-25 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4823600 | Ultrasonic transducer and current loop transmitter | Mark A. Goodman | 1989-04-25 |