Issued Patents All Time
Showing 51–56 of 56 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5838226 | Communication protocol for transmission system for controlling and determining the status of electrical devices from remote locations | David E. Houggy, Robert Gerald Palmer | 1998-11-17 |
| 5798581 | Location independent dimmer switch for use in multiple location switch system, and switch system employing same | Jon M. Keagy, Joel S. Spira | 1998-08-25 |
| 5736965 | Compact radio frequency transmitting and receiving antenna and control device employing same | Richard C. Compton, Joel S. Spira | 1998-04-07 |
| 5399940 | Lighting indicating device having plural illuminating elements with all such elements being illuminated with one being greater than the others | Robert S. Hanna, Donald F. Hausman, Jr., David E. Houggy, Joel S. Spira | 1995-03-21 |
| D353798 | Combined bezel and wall switch actuators | Gary W. Bryde, Robert S. Hanna, Noel Mayo, Joel S. Spira | 1994-12-27 |
| 5248919 | Lighting control device | Robert S. Hanna, Donald F. Hausman, Jr., David E. Houggy, Joel S. Spira | 1993-09-28 |