Signup
Login
Powerroof Trademarks
POWERROOF
Photovoltaic solar panels for the production of electricity
Abandoned
·
April 25, 2019
·
88401567
·
POWERROOF
photovoltaic panel mounting system, consisting of solar cells, connectors, and mechanical attachment components which securely fasten panels to sloped roofs, while preserving weatherproof integrity
Abandoned
·
January 2, 2002
·
78100610
·
POWERROOF
solar thermal collection systems based on non-imaging optics, namely, stationary solar thermal primary reflectors which are integrated into building roofs
Abandoned
·
July 1, 1996
·
75128545
·
Previous
1
Next