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For the Inventor, By the Inventor

Grand Rapids, MI, United States of America

Plant Specialties Company


USPTO Granted Patents = 1

Forward Citations = 46

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1 inventor (with patents filed for the assignee):

goldMedal William T Jones (1 out of 3 patents)


1 patent:

1. 4589475 - Heat recovery system employing a temperature controlled variable speed (1986-05-20),
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USPTO Data Jan 1 1976 - Dec 16 2025

1 Patents

#258 in Grand Rapids, MI

#4,517 in Michigan

#133,784 in US

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Grand Rapids, MI, United States of America

Plant Specialties Company

Forward Citations = 46

1 inventor:

goldMedal William T Jones (1 out of 3 patents)

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