Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4491002 | Method for forming on workpiece resilient thread having closed helical cavity inside the thread | Gennady A. Toropov, Stepan P. Shamenko, Rostislav P. Didyk | 1985-01-01 |