Brown City, MI, United States of America

Frank Industries, Inc.


USPTO Granted Patents = 1

Forward Citations = 1

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4 inventors (with patents filed for the assignee):

goldMedal James K Ramsey (1 out of 1 patent)

silverMedal Duane H Long (1 out of 1 patent)

bronzeMedal Paul A Lefler (1 out of 1 patent)

4 Ronald R Frank (1 out of 6 patents)


1 patent:

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USPTO Data Jan 1 1976 - Dec 9 2025

1 Patents

#2 in Brown City, MI

#4,521 in Michigan

#133,894 in US

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Brown City, MI, United States of America
Forward Citations = 1

4 inventors:

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