Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4724562 | Device for controlling the position of a semi-product of a treated shoe | Antonin Petrzelka | 1988-02-16 |
| 4649585 | Apparatus for roughening the margin of lasted footwear | Antonin Petrzelka | 1987-03-17 |