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For the Inventor, By the Inventor

San Antonio, TX, United States of America

Zo Resources, LLC


USPTO Granted Patents = 2

Forward Citations = 11

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2 inventors (with patents filed for the assignee):

goldMedal Margaret Joyce (2 out of 6 patents)

silverMedal Charles P Klass (2 out of 3 patents)


2 patents:

1. 6679973 - High performance purified natural zeolite pigment for papermaking and paper coating (2004-01-20),
2. 6616748 - High performance purified natural zeolite pigment for papermaking and paper coating (2003-09-09),
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USPTO Data Jan 1 1976 - Dec 16 2025

2 Patents

#242 in San Antonio, TX

#6,126 in Texas

#92,554 in US

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San Antonio, TX, United States of America

Zo Resources, LLC

Forward Citations = 11

2 inventors:

goldMedal Margaret Joyce (2 out of 6 patents)

silverMedal Charles P Klass (2 out of 3 patents)

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