Trademark Search > Trademark Owners > H > Hilliard, Donald B

Hilliard, Donald B Trademarks (3 records)

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Goods and Services: Engineering services in the field of energy efficiency; Research and development of environme...
DEAD (Circa: 2013)

HELICON

Goods and Services: Apparatus that employs light concentrating optics to concentrate sunlight and to aid in the c...
DEAD (Circa: 2013)

HELICO

Goods and Services: Heating systems for residential and commercial buildings comprised of biomass burners, boiler...
DEAD (Circa: 2013)

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