Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5035552 | Twist drill for deep hole drilling | Viktor G. Lysenko | 1991-07-30 |
| 5026220 | Device for supplying lubricating-and-cooling agent to cutting tools | Boris G. Sergeev | 1991-06-25 |