Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4206623 | Method of and apparatus for feeding rod-shaped elements sequentially in spaced relationship | Jan Drkal | 1980-06-10 |
| 4186580 | Apparatus for the discharge of waste ends of bars in the cross wedge rolling process | Jan Zalesak | 1980-02-05 |
| 4186583 | Apparatus for cross wedge rolling | Jan Drkal, Jan Zalesak, Vaclav Hladky | 1980-02-05 |