Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5162702 | Flashing light warning apparatus | Siegfried Schmees, Werner Lepper, Wolfgang Grimm | 1992-11-10 |
| 5162703 | Flashing light warning apparatus | Siegfried Schmees, Werner Kohl, Wolfgang Grimm | 1992-11-10 |