Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5045839 | Personnel monitoring man-down alarm and location system | Rand G. Ellis, James Rosenthal | 1991-09-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5045839 | Personnel monitoring man-down alarm and location system | Rand G. Ellis, James Rosenthal | 1991-09-03 |