Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5646473 | Electric reflector lamp | Winand H. A. M. Friederichs | 1997-07-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5646473 | Electric reflector lamp | Winand H. A. M. Friederichs | 1997-07-08 |