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David PIERSON
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Portland, OR, US
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Patents Grants
last 30 patents
Information
Patent Grant
Input circuit for current transformer
Patent number
9,588,148
Issue date
Mar 7, 2017
Veris Industries, LLC
Martin Cook
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Current switch with automatic calibration
Patent number
9,410,552
Issue date
Aug 9, 2016
Veris Industries, LLC
David Pierson
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Patents Applications
last 30 patents
Information
Patent Application
INPUT CIRCUIT FOR CURRENT TRANSFORMER
Publication number
20150219691
Publication date
Aug 6, 2015
Veris Industries, LLC
Martin COOK
G01 - MEASURING TESTING
Information
Patent Application
CURRENT SWITCH WITH AUTOMATIC CALIBRATION
Publication number
20130088213
Publication date
Apr 11, 2013
VERIS INDUSTRIES, LLC
David PIERSON
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...