Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4253868 | Apparatus for nitriding metal materials and ferroalloys under pressure | Ivan Dimov Nikolov, Tzolo V. Rashev, Ivan M. Peychev, Hristo G. Penchev, Marin I. Marinov +1 more | 1981-03-03 |
| 4231416 | Apparatus for casting metals and other materials under pressure | Ivan Dimov Nikolov, Ivan M. Peychev | 1980-11-04 |
| 4227033 | Induction crucible furnace | Ivan Dimov Nikolov, Pavel M. Minchev, Marin A. Dimitrov, Assen P. Georgiev | 1980-10-07 |