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For the Inventor, By the Inventor

San Diego, CA, United States of America

Action Instruments Company, Inc.


USPTO Granted Patents = 3

Forward Citations = 28

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2 inventors (with patents filed for the assignee):

goldMedal David J Mate (2 out of 3 patents)

silverMedal Norman G Looper (1 out of 3 patents)


3 patents:

1. 4393347 - Common mode voltage rejection circuit (1983-07-12),
2. 4242665 - Two-wire transmitter (1980-12-30),
3. 4238965 - Two wire flow rate transmitter (1980-12-16),
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USPTO Data Jan 1 1976 - Sep 22 2026

3 Patents

#1,197 in San Diego, CA

#16,823 in California

#73,716 in US

San Diego, CA (US)
San Diego, CA, United States of America

Action Instruments Company, Inc.

Forward Citations = 28

2 inventors:

goldMedal David J Mate (2 out of 3 patents)

silverMedal Norman G Looper (1 out of 3 patents)

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