Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4866426 | Magnetic amplifier housing and detector for an improved tamper alarm system | Mark Evans | 1989-09-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4866426 | Magnetic amplifier housing and detector for an improved tamper alarm system | Mark Evans | 1989-09-12 |