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HD Frequency, Inc.
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Fairfield, CT, US
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Patents Grants
last 30 patents
Information
Patent Grant
Antenna window bracket
Patent number
8,928,549
Issue date
Jan 6, 2015
HD Frequency, Inc.
Joshua M. McDonnell
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
90649857 - HD FREQUENCY
Serial number
90649857
Registration number
6868914
Filing date
Apr 16, 2021
HD Frequency, Inc
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments