Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4455177 | Method and apparatus for chemical heat treatment of steel parts utilizing a continuous electric furnace | Vladimir Filippov, Nikolai I. Parshin, Eduard N. Marmer, Alexandr F. Puzanov, Alexandr B. Lobanov +4 more | 1984-06-19 |