About 3 Trademarks found that are owned by Gk Machine Inc.

Light-blocking sealed metal doors for installation on or in greenhouses

NIGHT BLOOM

Light deprivation system comprised of a shade cloth, a set of tracks made of steel, rollers made of polyethylene or steel, and other components, namely, intake and exhaust fans, heaters, carbon dioxide generators, and sealed doors, which may be installed in greenhouses

A shade cloth and other components of a light deprivation system, namely, intake and exhaust fans, heaters, carbon dioxide generators, and sealed doors, which may be installed in greenhouses