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For the Inventor, By the Inventor

South Jordan, UT, United States of America

Headwaters Technology Innovation Group, Inc.


USPTO Granted Patents = 1

Trademarks = 2

Forward Citations = 5

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1 inventor (with patents filed for the assignee):

goldMedal Yu-Hwa Chang (1 out of 5 patents)


1 patent:

1. 9790440 - Methods for increasing catalyst concentration in heavy oil and/or coal resid hydrocracker (2017-10-17),
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USPTO Data Jan 1 1976 - Dec 30 2025

1 Patents

#57 in South Jordan, UT

#1,854 in Utah

#133,892 in US

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South Jordan, UT, United States of America

Headwaters Technology Innovation Group, Inc.

Forward Citations = 5

1 inventor:

goldMedal Yu-Hwa Chang (1 out of 5 patents)

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