Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4588988 | Intrusion barrier and detection apparatus | — | 1986-05-13 |
| 4571578 | Intrusion barrier and detection apparatus | — | 1986-02-18 |
| 4327358 | Physical deterrent barrier with upward looking detection sensor for intruder detection system | — | 1982-04-27 |
| 4213122 | Intrusion detection system | Walter Rotman, Ronald L. Fante, Peter R. Franchi | 1980-07-15 |