St. Charles, MO, United States of America

National Cart Co., Inc.


USPTO Granted Patents = 3

Forward Citations = 30

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4 inventors (with patents filed for the assignee):

goldMedal Robert H Unnerstall, Jr (3 out of 6 patents)

silverMedal John J Unnerstall (2 out of 2 patents)

bronzeMedal Thomas L Rattini (1 out of 4 patents)

4 James L Warren (1 out of 9 patents)


3 patents:

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USPTO Data Jan 1 1976 - Dec 9 2025

3 Patents

#13 in St. Charles, MO

#995 in Missouri

#71,968 in US

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St. Charles, MO, United States of America
Forward Citations = 30

4 inventors:

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