Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4967183 | Method of intrusion detection over a wide area | Christopher A. Ludden | 1990-10-30 |
| 4952911 | Scanning intrusion detection device | Christopher A. Ludden | 1990-08-28 |
| 4949074 | Method of intrusion detection | Christopher A. Ludden | 1990-08-14 |
| 4903009 | Intrusion detection device | Christopher A. Ludden | 1990-02-20 |