Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6265974 | Systems and methods for monitoring spatial relationship between mobile objects | Michael R. D'Angelo, Joseph E. Qualitz, Robert G. Bresler | 2001-07-24 |
| 6133830 | Motion sensitive anti-theft device with alarm screening | Michael R. D'Angelo, Robert G. Bresler, Joseph E. Qualitz | 2000-10-17 |
| 5963131 | Anti-theft device with alarm screening | Michael R. D'Angelo, Robert G. Bresler, Joseph E. Qualitz | 1999-10-05 |