Grand Rapids, MI, United States of America

Haviland Products Company


USPTO Granted Patents = 1

Trademarks = 3

Forward Citations = 0

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3 inventors (with patents filed for the assignee):

goldMedal John E Walls (1 out of 1 patent)

silverMedal Jeffrey W Putt (1 out of 1 patent)

bronzeMedal Kenneth E DeLine (1 out of 8 patents)


1 patent:

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USPTO Data Jan 1 1976 - Dec 9 2025

1 Patents

#258 in Grand Rapids, MI

#4,521 in Michigan

#133,893 in US

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Grand Rapids, MI, United States of America
Forward Citations = 0

3 inventors:

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