Issued Patents 2019
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10309632 | Light-emitting diode wave guide down light retrofit fixtures | Jerold Alan Tickner, Kevin Roy Harpenau | 2019-06-04 |
| 10190754 | Optical attachment features for light-emitting diode-based lighting system | Kevin Roy Harpenau, Jyoti Gururaj Kathawate, James Richard Christ, Jason Q. Paulsel | 2019-01-29 |
| 10174917 | Retention devices for recessed luminaires | Grzegorz Wronski, Kevin Roy Harpenau, Philip Dean Winters, Jyoti Kumar, Oliver Ernst | 2019-01-08 |