Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4856414 | Viscoelastoplastic-sealant packed flexible power transmission cable for hydraulic actuator | Vladimir G. Churkin, Sergei B. Negrutsky, Boris F. Negrutsky | 1989-08-15 |
| 4712772 | Power hydraulic gear | Sergei B. Negrutsky, Boris F. Negrutsky, Vladimir G. Churkin | 1987-12-15 |