Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4261499 | Planetary wire-feeding device | Alfred E. Nemecheck, Emil A. Maximov, Peter D. Petrov, Ivan Ivanov | 1981-04-14 |
| 4261500 | Modular apparatus for the feeding of electrode wire through great distances | Petko Kostadinov Grozdanov, Simeon G. Punchev, Alfred E. Nemechek, Steryu N. Dengubov | 1981-04-14 |
| 4205771 | Electrode wire-feeding device having means for automatically adjusting the pushing force for the electrode wire | Petko Kostadinov Grozdanov, Alfred E. Nemechek, Simeon G. Punchev, Peter D. Petrov | 1980-06-03 |