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For the Inventor, By the Inventor

Longview, WA, United States of America

Acid Neutral Alkaline Laboratory


USPTO Granted Patents = 3

Forward Citations = 0

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1 inventor (with patents filed for the assignee):

goldMedal David Gindelberger (3 out of 4 patents)


3 patents:

1. 11352337 - Zeolite catalyst and method for preparation of aromatic tricyclic pyrans (2022-06-07),
2. 11242330 - Organic catalyst and method for preparation of aromatic tricyclic pyrans (2022-02-08),
3. 11242328 - Heterogeneous catalyst and method for preparation of aromatic tricyclic pyrans (2022-02-08),
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USPTO Data Jan 1 1976 - Dec 16 2025

3 Patents

#3 in Longview, WA

#1,741 in Washington

#72,011 in US

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Longview, WA, United States of America

Acid Neutral Alkaline Laboratory

Forward Citations = 0

1 inventor:

goldMedal David Gindelberger (3 out of 4 patents)

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