Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4879760 | Optical fiber transmissive signal modulation system | Mark R. Pommrehn | 1989-11-07 |
| 4832608 | Electrode belt adapter | — | 1989-05-23 |
| 4811156 | Medical current limiter | — | 1989-03-07 |