Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4686753 | Coil spring assembly machine | Henry Zapletal, Horst F. Wentzek | 1987-08-18 |
| 4593726 | Coil spring assembly machine | Henry Zapletal, Horst F. Wentzek | 1986-06-10 |
| 4593809 | Coil spring assembly machine | Henry Zapletal, Horst F. Wentzek | 1986-06-10 |
| 4553572 | Coil spring assembly machine | Henry Zapletal, Horst F. Wentzek | 1985-11-19 |
| 4553324 | Coil spring assembly machine | Henry Zapletal, Horst F. Wentzek | 1985-11-19 |
| 4548241 | Coil spring assembly machine | Henry Zapletal, Horst F. Wentzek | 1985-10-22 |
| 4492298 | Coil spring assembly machine | Henry Zapletal, Horst F. Wentzek | 1985-01-08 |