Sofia
Bulgaria
2
2009-07-02
The entities that hold a legal rights for patent applications filed by inventor Schenkov Stoicho:
Stoicho Schenkov from Sofia, BG has applied for patents for these inventions. The list has both pending applications and granted patents:
MEMBRANE FOR FUEL CELLS, CONTAINING POLYMERS COMPRISING PHOSPHONIC ACID GROUPS AND/OR SULFONIC ACID GROUPS, MEMBRANE UNITS AND THE USE THEREOF IN FUEL CELLS
#2 | 2009-04-16MEMBRANE-ELECTRODE ASSEMBLIES AND LONG-LIFE FUEL CELLS
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