Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6509118 | Valve-regulated lead-acid cells and batteries and separators used in such cells and batteries | Stefan Ivanov Ruevski, Veselin Bozhidarov Naidenov, Vera V. Mircheva, Galia Angelova Petkova, Mitko Kolev Dimitrov +2 more | 2003-01-21 |