| 6388396 |
Electronic ballast with embedded network micro-controller |
Robert H. Katyl, David W. Dranchak, James R. Petrozello |
2002-05-14 |
| 6218787 |
Remote dimming control system for a fluorescent ballast utilizing existing building wiring |
Robert H. Katyl, David W. Dranchak |
2001-04-17 |
| 6181086 |
Electronic ballast with embedded network micro-controller |
Robert H. Katyl, David W. Dranchak, James R. Petrozello |
2001-01-30 |
| 6107755 |
Modular, configurable dimming ballast for a gas-discharge lamp |
Robert H. Katyl, David W. Dranchak, James R. Petrozello, Scott W. Knauss |
2000-08-22 |
| 5930130 |
Inrush protection circuit |
Robert H. Katyl, David W. Dranchak |
1999-07-27 |
| 5908235 |
Ballast fixture for fluorescent lighting |
James R. Petrozello, Fletcher W. Chapin, David W. Dranchak, Scott W. Knauss, Robert H. Katyl +1 more |
1999-06-01 |
| 5838116 |
Fluorescent light ballast with information transmission circuitry |
Robert H. Katyl, David W. Dranchak |
1998-11-17 |
| 5747101 |
Direct chip attachment (DCA) with electrically conductive adhesives |
Richard B. Booth, Michael A. Gaynes, Viswanadham Puligandla, Judith Marie Roldan, Ravi F. Saraf +1 more |
1998-05-05 |
| 5519289 |
Electronic ballast with lamp current correction circuit |
Robert H. Katyl |
1996-05-21 |
