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For the Inventor, By the Inventor

Flint, MI, United States of America

Dinsmore Instrument Company


USPTO Granted Patents = 3

Forward Citations = 34

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3 inventors (with patents filed for the assignee):

goldMedal Kelvin Shih (2 out of 16 patents)

silverMedal Robert C Dinsmore (2 out of 4 patents)

bronzeMedal Henry C Kowalski (1 out of 5 patents)


3 patents:

1. 5608320 - Mirror image differential induction amplitude magnetometer (1997-03-04),
2. 5505092 - Non-invasive fluid condition sensing transducer (1996-04-09),
3. 5432445 - Mirror image differential induction amplitude magnetometer (1995-07-11),
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USPTO Data Jan 1 1976 - Dec 16 2025

3 Patents

#9 in Flint, MI

#2,442 in Michigan

#71,949 in US

...
Flint, MI, United States of America

Dinsmore Instrument Company

Forward Citations = 34

3 inventors:

goldMedal Kelvin Shih (2 out of 16 patents)

silverMedal Robert C Dinsmore (2 out of 4 patents)

bronzeMedal Henry C Kowalski (1 out of 5 patents)

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