Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4489588 | Apparatus for manufacturing screw workpieces of a tube semi-product | Jan Novak, Stepan Zampach | 1984-12-25 |
| 4434645 | Apparatus for the radial shaping of tubular articles | Jan Novak, Zdenek Kalab | 1984-03-06 |