Hartford, WI, United States of America

Helgesen Design Services, LLC


USPTO Granted Patents = 3

Forward Citations = 5

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3 inventors (with patents filed for the assignee):

goldMedal Bruce Edwin Knuth (2 out of 9 patents)

silverMedal Robert E Broman (1 out of 2 patents)

bronzeMedal Thomas C Marshall (1 out of 2 patents)


3 patents:

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USPTO Data Jan 1 1976 - Dec 16 2025

3 Patents

#12 in Hartford, WI

#1,461 in Wisconsin

#71,949 in US

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Hartford, WI, United States of America
Forward Citations = 5

3 inventors:

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