Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5678334 | Lighted display board | — | 1997-10-21 |
| 5136483 | Illuminating device | Winfried Scheid | 1992-08-04 |
| 5027258 | Display unit | Winfried Scheid | 1991-06-25 |
| 4903172 | Display construction | Winfried Scheid | 1990-02-20 |