Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6509118 | Valve-regulated lead-acid cells and batteries and separators used in such cells and batteries | Detchko Pavlov, Stefan Ivanov Ruevski, Veselin Bozhidarov Naidenov, Galia Angelova Petkova, Mitko Kolev Dimitrov +2 more | 2003-01-21 |
| 4585531 | Composition including an additive to sulphamate electrolytes for depositing hard nickel layers and method of using same | Nikolay Asenov Atanasov, Lyudmil Lyutov, Stefan R. Stefanov | 1986-04-29 |
| 4439286 | Electrolyte for the deposition of bright tin coatings | Ivan Todorov, Stefan R. Stefanov, Ivan M. Todorov | 1984-03-27 |
| 4434030 | Bath for the electrodeposition of bright nickel iron alloy | Stefana D. Vitkova | 1984-02-28 |