Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5052740 | Folding top for vehicles | Jurgen Schrader | 1991-10-01 |
| 5004291 | Top framework of a folding top for vehicles | Gerhard Zweigart | 1991-04-02 |
| 4984841 | Folding top for vehicles | Gerhard Zweigart, Kurt Gramer, deceased | 1991-01-15 |
| 4929015 | Convertible top for vehicles, particulary for motor cars | — | 1990-05-29 |
| 4260188 | Hoop arrangement for foldable tops of automotive vehicles | — | 1981-04-07 |