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For the Inventor, By the Inventor

Holly, MI, United States of America

Quantech, Inc.


USPTO Granted Patents = 2


Forward Citations = 13

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2 inventors (with patents filed for the assignee):

goldMedal William Arthur Keely (2 out of 5 patents)

silverMedal Randall H Field (1 out of 1 patent)

bronzeMedal Harry M Bickelman (1 patent)


2 patents:

1. 7038446 - Dual coil probe for detecting geometric differences while stationary with respect to threaded apertures and fasteners or studs (2006-05-02),
2. 6703831 - Dual eddy current probe for detecting geometrical differences especially as related to threaded apertures and studs (2004-03-09),
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USPTO Data Jan 1 1976 - Dec 16 2025

2 Patents

#5 in Holly, MI

#3,120 in Michigan

#92,555 in US

...
Holly, MI, United States of America

Quantech, Inc.

Forward Citations = 13

2 inventors:

goldMedal William Arthur Keely (2 out of 5 patents)

silverMedal Randall H Field (1 out of 1 patent)

bronzeMedal Harry M Bickelman (1 patent)

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