Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D307246 | Chairlift unit with a pivotable canopy | Hans-Werner Mattis | 1990-04-17 |
| D307021 | Chairlift unit | Hans-Werner Mattis | 1990-04-03 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D307246 | Chairlift unit with a pivotable canopy | Hans-Werner Mattis | 1990-04-17 |
| D307021 | Chairlift unit | Hans-Werner Mattis | 1990-04-03 |