Issued Patents All Time
Showing 176–187 of 187 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6784622 | Single switch electronic dimming ballast | Mark S. Taipale, Joel S. Spira | 2004-08-31 |
| D494138 | Electrical plug | Jason O. Adams, Robert Paul Stocker, Robin C. Moseley, Joel S. Spira | 2004-08-10 |
| 6674248 | Electronic ballast | Stuart W. DeJonge, Mark S. Taipale, Dominick Travaglini, Joel S. Spira | 2004-01-06 |
| 6646843 | Short circuited semiconductor switch detection | Timothy P. Hulick, Stephen R. Irving, Scott R. Jurell | 2003-11-11 |
| 6380692 | Phase controlled dimming system with active filter for preventing flickering and undesired intensity changes | Donald F. Hausman, Jr., Robin C. Moseley | 2002-04-30 |
| 6201364 | Motorized window shade system | Gary E. Will, Mark A. Cieri, Tony W. Azar, Charles J. Digney, Jr., Donald F. Hausman, Jr. +6 more | 2001-03-13 |
| 6100659 | Motorized window shade system | Gary E. Will, Mark A. Cieri, Tony W. Azar, Charles J. Digney, Jr., Donald F. Hausman, Jr. +6 more | 2000-08-08 |
| 6091205 | Phase controlled dimming system with active filter for preventing flickering and undesired intensity changes | Donald F. Hausman, Jr., Robin C. Moseley | 2000-07-18 |
| 5848634 | Motorized window shade system | Gary E. Will, Mark A. Cieri, Tony W. Azar, Charles J. Digney, Jr., Donald F. Hausman, Jr. +6 more | 1998-12-15 |
| 5555150 | Surge suppression system | — | 1996-09-10 |
| 5224029 | Power factor and harmonic correction circuit including ac startup circuit | — | 1993-06-29 |
| 4797599 | Power control circuit with phase controlled signal input | Jonathan H. Ference, Steven M. Blonstein, Michael J. Rowen, Joel S. Spira | 1989-01-10 |