Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D328875 | Infrared detector mirror | — | 1992-08-25 |
| 5089704 | Wide angle ceiling mounted passive infrared intrusion detection system | — | 1992-02-18 |
| 4314645 | Mechanical rejection system for automatic sorting machines | Sylvester L. Woodland | 1982-02-09 |