Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4240141 | Vibration motor | Petr E. Vasiliev, Alexandr V. Kondratiev, Vladimir F. Kravchenko | 1980-12-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4240141 | Vibration motor | Petr E. Vasiliev, Alexandr V. Kondratiev, Vladimir F. Kravchenko | 1980-12-16 |