Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4470281 | Method of forming end face wall having concentric recess in tubular workpiece | Vladimir G. Kaporovich, Viktor G. Sereda, Vladimir V. Kaporovich, Viktor A. Makarychev, Varlen K. Pirogov +4 more | 1984-09-11 |