Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11790741 | Drone based security system | — | 2023-10-17 |
| 10607461 | Drone based security system | — | 2020-03-31 |
| 4782697 | Acoustic current meter | — | 1988-11-08 |
| 4455558 | Combined analog digital symbols | Raymond C. Machler | 1984-06-19 |