Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4616808 | Apparatus for the treatment and casting of metals and alloys in a closed space | Ivan Dimov Nikolov, by Vassilka P. Dimova, heir, Dobromir I. Dimov, heir, Petar I. Dimov, heir, Ivan M. Peytchev +2 more | 1986-10-14 |
| 4253868 | Apparatus for nitriding metal materials and ferroalloys under pressure | Ivan Dimov Nikolov, Tzolo V. Rashev, Iliya G. Chorbov, Ivan M. Peychev, Hristo G. Penchev +1 more | 1981-03-03 |