Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |