Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4994644 | Apparatus for overhead submerged arc welding | Pavel A. Varenchuk, Valentin D. Kovalev, Vsevolod N. Bernadsky, Vladimir F. Biitsev, Valentin P. Sadikov +1 more | 1991-02-19 |
| 4886203 | Method of producing by brazing bimetallic cylindrical articles | Leonid G. Puzrin, Miron G. Atroshenko, Vladimir L. Yaremenko, Jury Y. Ischenko, Ivan G. Pescherin +2 more | 1989-12-12 |