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For the Inventor, By the Inventor

Bartlesville, OK, United States of America

Richmond, Hitchcock, Fish & Dollar


USPTO Granted Patents = 3

Forward Citations = 6

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5 inventors (with patents filed for the assignee):

goldMedal Mitchell D Refvik (1 out of 39 patents)

silverMedal Charles A Drake (1 out of 252 patents)

bronzeMedal An-hsiang Wu (1 out of 145 patents)

4.  Brooks D Bennett (1 out of 4 patents)

5.  James E Shaw (1 out of 48 patents)


3 patents:

1. 6300270 - Method of making a zeolite material (2001-10-09),
2. 6294699 - Oxidation of mercaptans to organic disulfides (2001-09-25),
3. 6284926 - Process and apparatus for producing organic polysulfides (2001-09-04),
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USPTO Data Jan 1 1976 - Sep 15 2026

3 Patents

#8 in Bartlesville, OK

#407 in Oklahoma

#73,741 in US

Bartlesville, OK (US)
Bartlesville, OK, United States of America

Richmond, Hitchcock, Fish & Dollar

Forward Citations = 6

5 inventors:

goldMedal Mitchell D Refvik (1 out of 39 patents)

silverMedal Charles A Drake (1 out of 252 patents)

bronzeMedal An-hsiang Wu (1 out of 145 patents)

4.  Brooks D Bennett (1 out of 4 patents)

5.  James E Shaw (1 out of 48 patents)

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