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For the Inventor, By the Inventor

Chicago, IL, United States of America

Xdx Technology, LLC


USPTO Granted Patents = 1

Forward Citations = 6

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1 inventor (with patents filed for the assignee):

goldMedal David A Wightman (1 out of 20 patents)


1 patent:

1. 7225627 - Vapor compression system and method for controlling conditions in ambient surroundings (2007-06-05),
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USPTO Data Jan 1 1976 - Sep 15 2026

1 Patents

#1,475 in Chicago, IL

#6,196 in Illinois

#136,850 in US

Chicago, IL (US)
Chicago, IL, United States of America

Xdx Technology, LLC

Forward Citations = 6

1 inventor:

goldMedal David A Wightman (1 out of 20 patents)

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