Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5179761 | Aerodynamic windshield wiper superstructure | Franz Buechele | 1993-01-19 |
| D325897 | Primary yoke for a windshield wiper | Franz Buechele | 1992-05-05 |
| D323637 | Aerodynamic wing attachment for windshield wiper arm | — | 1992-02-04 |