Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9681506 | Switch circuit for LED lighting assembly adaptive to multilevel light switches | Gregory G. Jager | 2017-06-13 |
| 9588147 | Electronic integrator for Rogowski coil sensors | — | 2017-03-07 |
| 9549445 | Sectioned network lighting device using full distribution of LED bins | Michael J. Meis, James F. Poch | 2017-01-17 |
| 9543072 | Inductive power harvester with power limiting capability | — | 2017-01-10 |
| 9354386 | Solid state area light and spotlight with light guide and integrated thermal guide | Raymond P. Johnston, Paul E. Humpal, Robert L. Brott, Karl J. L. Geisler | 2016-05-31 |
| 9267674 | Solid state light with enclosed light guide and integrated thermal guide | Raymond P. Johnston, Charles N. DeVore, Paul E. Humpal, Robert L. Brott, Kayla A. Hagens +4 more | 2016-02-23 |
| 8520061 | Zero-D dimming for 3D displays | Glenn E. Casner | 2013-08-27 |
| 8476837 | Transistor ladder network for driving a light emitting diode series string | — | 2013-07-02 |
| 8243049 | Untethered stylus employing low current power converter | — | 2012-08-14 |
| 8193730 | Dimmer and illumination apparatus with amplitude ordered illumination of multiple strings of multiple color light emitting devices | — | 2012-06-05 |
| 8040329 | Frequency control circuit for tuning a resonant circuit of an untethered device | — | 2011-10-18 |
| 7956851 | Self-tuning drive source employing input impedance phase detection | — | 2011-06-07 |
| 7863831 | AC illumination apparatus with amplitude partitioning | — | 2011-01-04 |
| 7436164 | Untethered device employing tunable resonant circuit | — | 2008-10-14 |