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For the Inventor, By the Inventor

Seattle, WA, United States of America

Dtec Systems LLC


USPTO Granted Patents = 2

% Expired Patents = 50.0

Trademarks = 2

Forward Citations = 9

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3 inventors (with patents filed for the assignee):

goldMedal Thomas E Coleman (2 out of 12 patents)

silverMedal Frederick Wolf (1 out of 1 patent)

bronzeMedal James E Bruya (1 out of 4 patents)


2 patents:

1. 8568592 - Method of biological phosphorus removal with maximum nitrogen removal in wastewater (2013-10-29),
2. 8268629 - Method for the measurement of water and water-soluble components in non-aqueous liquids (2012-09-18),
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USPTO Data Jan 1 1976 - Sep 22 2026

2 Patents

#672 in Seattle, WA

#2,340 in Washington

#94,681 in US

Seattle, WA (US)
Seattle, WA, United States of America

Dtec Systems LLC

Forward Citations = 9

3 inventors:

goldMedal Thomas E Coleman (2 out of 12 patents)

silverMedal Frederick Wolf (1 out of 1 patent)

bronzeMedal James E Bruya (1 out of 4 patents)

Please report any incorrect information to [email protected]
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