Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5072533 | System for rolling advertising posters | Winkelmann Gerhard, Jean-Pierre Vermeulen | 1991-12-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5072533 | System for rolling advertising posters | Winkelmann Gerhard, Jean-Pierre Vermeulen | 1991-12-17 |