IC 009. US 021 023 026 036 038. G & S: Solar energy collectors for electricity generation; photovoltaic solar panels for production of electricity; photovoltaic solar cells; photovoltaic cell strips; apparatus for converting electronic radiation to electrical energy, namely, photovoltaic roof elements; apparatus for converting electronic radiation to electrical energy, namely, photovoltaic facade elements; apparatus for converting electronic radiation to electrical energy, namely, photovoltaic systems consisting of photovoltaic modules; electric connectors; electrical connecting parts for electric conduits, namely, electrical connectors for electric conduits
IC 019. US 001 012 033 050. G & S: Building glass with integrated solar cells; non-metal roofs with integrated solar cells
IC 042. US 100 101. G & S: Engineering services, namely, technical project studies, in particular project planning for photovoltaic systems
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