Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D509313 | Light fixture | Frank Friedman | 2005-09-06 |
| D502279 | Light fixture | Frank Friedman | 2005-02-22 |
| D501944 | Light fixture | Frank Friedman | 2005-02-15 |
| D501945 | Light fixture | Frank Friedman | 2005-02-15 |
| D290408 | Luminaire | William J. Rapp, Frederic L. Green, Katsuhiro Unoki, Robert J. Gaskins | 1987-06-16 |
| D290409 | Luminaire | William J. Rapp, Frederic L. Green, Katsuhiro Unoki, Robert J. Gaskins | 1987-06-16 |