Hilliard, Donald B Trademarks
BONGO
Heating systems for residential and commercial buildings comprised of biomass burners, boilers, valves, pipes, manifolds…
Owned by: Hilliard, Donald B
Serial Number: 85833988
HELICO
Apparatus that employs light concentrating optics to concentrate sunlight and to aid in the conversion of sunlight into…
Owned by: Hilliard, Donald B
Serial Number: 85954408
HELICON
Engineering services in the field of energy efficiency; Research and development of environmentally friendly forms of energy…
Owned by: Hilliard, Donald B
Serial Number: 85968745
