Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4864087 | Burglar alarm including a reed relay actuated in response to a vibrating magnet to produce an alarm signal | — | 1989-09-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4864087 | Burglar alarm including a reed relay actuated in response to a vibrating magnet to produce an alarm signal | — | 1989-09-05 |