Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5003294 | Remote infra-red personal alarm system | John Mason, Richard Caley, David E. Lang | 1991-03-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5003294 | Remote infra-red personal alarm system | John Mason, Richard Caley, David E. Lang | 1991-03-26 |