Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4856414 | Viscoelastoplastic-sealant packed flexible power transmission cable for hydraulic actuator | Sergei B. Negrutsky, Sergei B. Klimov, Boris F. Negrutsky | 1989-08-15 |
| 4712772 | Power hydraulic gear | Sergei B. Negrutsky, Sergei B. Klimov, Boris F. Negrutsky | 1987-12-15 |
| 4703835 | Hoisting apparatus | Sergei B. Negrutsky, Mikhail I. Chunikhin | 1987-11-03 |