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

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Goods and Services: High Frequency Wattmeters

LIVE (Circa: 1960)

THRULINE

Goods and Services: Instruments for Absorbing High Frequency Electrical Power-Namely, Coaxial Load Resistors, and...

LIVE (Circa: 1960)

TERMALINE

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