St. Charles, MO, United States of America

Hasco International, Inc.


USPTO Granted Patents = 3

Trademarks = 1

Forward Citations = 48

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6 inventors (with patents filed for the assignee):

goldMedal David Boyd Whitten (1 out of 9 patents)

silverMedal Douglas A Holden (1 out of 1 patent)

bronzeMedal Marc E Arnold (1 out of 1 patent)

4 Mitchell S Marcus (1 out of 1 patent)

5 James R Haas (1 out of 1 patent)

6 Joseph M Huenefeld (1 out of 1 patent)


3 patents:

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USPTO Data Jan 1 1976 - Jan 6 2026

3 Patents

#13 in St. Charles, MO

#998 in Missouri

#72,066 in US

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St. Charles, MO, United States of America
Forward Citations = 48

6 inventors:

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