US Trademark Search > Trademark Correspondent > H > HILLIARD, DONALD B

HILLIARD, DONALD B (3 records)

This page contains all the U.S. trademarks filed by HILLIARD, DONALD B. The list below is generated based on trademark correspondent identification information provided to the United States Patent Office (USPTO). is a free search engine of publicly available government records. does not represent correspondent listed on this page.

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


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


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