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For the Inventor, By the Inventor

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 3 patents)


3 patents:

1. 8491707 - Fluid storage tank configured to remove entrained air from fluid (2013-07-23),
2. 8430122 - Fluid tank with contamination containment system (2013-04-30),
3. 8287731 - Fluid tank with kidney-loop filtration system (2012-10-16),
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USPTO Data Jan 1 1976 - Oct 6 2026

3 Patents

#12 in Hartford, WI

#1,482 in Wisconsin

#73,815 in US

Hartford, WI (US)
Hartford, WI, United States of America

Helgesen Design Services, LLC

Forward Citations = 5

3 inventors:

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 3 patents)

Please report any incorrect information to [email protected]
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