Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4870381 | Search coil assembly for metal detectors | — | 1989-09-26 |
| 4833773 | Method for making search coil assembly for metal detectors | — | 1989-05-30 |
| 4819321 | Method for making the search coil assembly for metal detectors | — | 1989-04-11 |
| 4814734 | Search coil assembly for metal detectors | — | 1989-03-21 |