Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE36756 | Glass-mat-reinforced thermoplastic panels | Ludwig Wahl | 2000-06-27 |
| 5025934 | Standing container | — | 1991-06-25 |
| 4933607 | Exposure device for reprographics and method | — | 1990-06-12 |
| 4931358 | Fiber-reinforced thermoplastic panels | Ludwig Wahl | 1990-06-05 |
| 4885205 | Glass-mat-reinforced thermoplastic panels | Ludwig Wahl | 1989-12-05 |