Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8654485 | Electronic ballast with protected analog dimming control interface | — | 2014-02-18 |
| 8564216 | Asymmetric end-of-life protection circuit for fluorescent lamp ballasts | Giovanni Gallegos | 2013-10-22 |
| 8405488 | System and method for encoding ballast control signals | Henry W. Jacobs, John J. Dernovsek | 2013-03-26 |
| 7926688 | Tension-controlled web processing machine and method | Louis Dupuis, Ross Hoge | 2011-04-19 |
| 7843145 | System and method for power line carrier communication using high frequency tone bursts | Philip McKenzie | 2010-11-30 |
| 6619206 | Method and apparatus for maintaining ink level in ink fountain of printing press | — | 2003-09-16 |
| 6401612 | Method and apparatus for maintaining ink level in ink fountain of printing press | — | 2002-06-11 |
| 6397745 | Method and apparatus for maintaining ink level in ink fountain of printing press | — | 2002-06-04 |
| 5046418 | Dampening method and apparatus for automatic ink/water control for lithographic printing press | David W. Paularena, Richard G. McCaffrey | 1991-09-10 |