Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4231694 | Apparatus for removing a welding bulge from pipes | Mikhail R. Unigovsky, Evgeny V. Rulevsky, Fedor I. Sapa, Alexei T. Parkhomchuk, Veniamin S. Rotenfeld +4 more | 1980-11-04 |