Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5638047 | Sound activated transmitter | Leslie M. Orloff, David T. Waugh | 1997-06-10 |
| 4640019 | Template for installation of electric door strikes | — | 1987-02-03 |
| 4382647 | Swivel unit for adjustable lighting fixture | — | 1983-05-10 |
| 4333132 | Swivel unit for adjustable lighting fixture | — | 1982-06-01 |