Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6029487 | System and method for manufacturing tubular products from tubular workpieces | Lev Lyahovetsky, Robert Heifets | 2000-02-29 |
| 5893287 | Method and device for combined drawing and hydrostatic extrusion of billets from metal and alloys | Lev Lyahovetsky | 1999-04-13 |