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For the Inventor, By the Inventor

Cheboygan, MI, United States of America

Ferret Instruments, Inc.


USPTO Granted Patents = 3

Forward Citations = 172

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2 inventors (with patents filed for the assignee):

goldMedal Donald C McKinnon (3 out of 12 patents)

silverMedal Thomas F Gauthier (1 out of 2 patents)


3 patents:

1. 5818234 - Battery tester with power limit detection (1998-10-06),
2. 5700089 - Battery tester with load temperature detection (1997-12-23),
3. 5023764 - Stroboscopic lamp optical system (1991-06-11),
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USPTO Data Jan 1 1976 - Dec 16 2025

3 Patents

#2 in Cheboygan, MI

#2,442 in Michigan

#71,959 in US

...
Cheboygan, MI, United States of America

Ferret Instruments, Inc.

Forward Citations = 172

2 inventors:

goldMedal Donald C McKinnon (3 out of 12 patents)

silverMedal Thomas F Gauthier (1 out of 2 patents)

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