Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4589534 | Electromechanical driving system with variable speed | Constantin Apetrei, Sigismund Slaifer, Laurentiu Vatafu-Gaitan, Dumitru Stefanescu, Stelian Marinescu | 1986-05-20 |