Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5628081 | Brush head for large manipulators | Martin Wanner, Gerhard Birk | 1997-05-13 |
| 5592710 | Brush head for cleaning surfaces | Martin Wanner, Gerhard Birk | 1997-01-14 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5628081 | Brush head for large manipulators | Martin Wanner, Gerhard Birk | 1997-05-13 |
| 5592710 | Brush head for cleaning surfaces | Martin Wanner, Gerhard Birk | 1997-01-14 |