Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4363950 | Arrangement for electrospark working of internal conical surfaces of metal parts | Josef Prasek | 1982-12-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4363950 | Arrangement for electrospark working of internal conical surfaces of metal parts | Josef Prasek | 1982-12-14 |