Deerfield, IL, United States of America

Duraclean International, Inc.


USPTO Granted Patents = 3

Trademarks = 9

Forward Citations = 133

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3 inventors (with patents filed for the assignee):

goldMedal Leonard N Nysted (2 out of 8 patents)

silverMedal Paul R Bald (1 out of 1 patent)

bronzeMedal Irl H Marshall, Jr (1 out of 1 patent)


3 patents:

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USPTO Data Jan 1 1976 - Dec 9 2025

3 Patents

#41 in Deerfield, IL

#3,358 in Illinois

#71,968 in US

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Deerfield, IL, United States of America
Forward Citations = 133

3 inventors:

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