Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6418646 | Machine for digging into the lower layers of the ground | Alexandr V. Bykov, Stanislav K Vasilenko, Andrei B. Koval, Alexandr S. Kumylganov, Jury M. Mamontov +4 more | 2002-07-16 |