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