Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11471547 | Light fixture with illumination and germicidal light engines | Konrad Patryk Pietka, Juan A. Rodriguez, Christopher Charles Trechter | 2022-10-18 |
| 8277090 | Translating aperture adjustment for a recessed luminaire | Aaron P. Fryzek, Joe Stauner | 2012-10-02 |
| 6652124 | Lamp-independent adjustable recessed light fixture | Joellen S. Lindhorst, David E. Doubek | 2003-11-25 |
| 6505960 | Recessed lighting fixture locking assembly | Christopher T. Bobrowski, David E. Doubek | 2003-01-14 |
| 6431723 | Recessed lighting fixture | James Beresford Lee, Alice M. Jandrisits, Stephen Yuen, David E. Doubek | 2002-08-13 |
| 6343873 | Lighting fixture with downlight reflector and wallwash reflector | Victor Eberhard, Stephen Yuen | 2002-02-05 |
| 6283430 | Horizontal socket housing assembly | Joellen M. Skonberg | 2001-09-04 |
| D331770 | Check protector/signer | John Kriedich, Julian R. Haynes | 1992-12-15 |
| 5100249 | Check protector with means for printing amount in bands of different colors | Ronald F. Wochinski, Victor L. Salmons | 1992-03-31 |