Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4833339 | Load control system | David G. Luchaco, Ian R. Hurst, Joel S. Spira | 1989-05-23 |
| 4825075 | Non-electronic gain control | Elliot G. Jacoby, Noel Mayo | 1989-04-25 |
| 4803380 | Cover and support plate arrangement for wall mounted devices | Elliot G. Jacoby, Michael J. D'Aleo, David G. Luchaco, Joel S. Spira, Richard A. Wagner +1 more | 1989-02-07 |