Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6575601 | Lighting fixture optical assembly including relector/refractor and shroud | Ronald L. Sitzema, Jr. | 2003-06-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6575601 | Lighting fixture optical assembly including relector/refractor and shroud | Ronald L. Sitzema, Jr. | 2003-06-10 |