Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D553787 | Suspended luminaire | — | 2007-10-23 |
| D423707 | Street lamp | — | 2000-04-25 |
| D422111 | Light globe for a street lamp | Theodore Sarniak, III | 2000-03-28 |
| 5664878 | Internally illuminated sign | Gregory J. Subisak | 1997-09-09 |
| 5588742 | Internally illuminated sign | Gregory J. Subisak | 1996-12-31 |
| 5355291 | Internally illuminated sign | Gregory J. Subisak | 1994-10-11 |
| D348945 | Outdoor roadway lighting fixture | David E. Mehaffey | 1994-07-19 |
| D348531 | Outdoor roadway lighting fixture | David E. Mehaffey | 1994-07-05 |
| D347080 | Outdoor roadway lighting fixture | David E. Mehaffey | 1994-05-17 |
| 5188453 | Internally illuminated sign | Gregory J. Subisak | 1993-02-23 |
| 4954935 | Lighting system for illuminating billboards and the like | Herbert Arnold Odle | 1990-09-04 |
| D307188 | Luminaire | James E. Denney, Robert L. Ewing | 1990-04-10 |
| D300670 | Luminaire | Robert L. Ewing, Mark L. Roush | 1989-04-11 |
| D300671 | Luminaire | Robert L. Ewing, James L. Leary, David G. Meredith, Mark L. Roush | 1989-04-11 |
| 4575783 | Reflector for illuminating signs | — | 1986-03-11 |