For the Inventor, By the Inventor

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Cleveland, OH, United States of America

Mcdowell-wellman Company

USPTO Granted Patents = 3

Forward Citations = 28

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4 inventors (with patents filed for the assignee):

Thomas E Ban (2 out of 13 patents)

William H Marlowe (2 out of 3 patents)

John C Sheppard (1 out of 1 patent)

4. Wallace Hamilton (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. 4220454 - Process for gasifying pelletized carbonaceous fuels (1980-09-02),

2. 4211536 - Poke hole closure apparatus (1980-07-08),

3. 4193862 - Recovery of oil and gas from oil shale (1980-03-18),

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USPTO Data Jan 1 1976 - Dec 30 2025

3 Patents

#339 in Cleveland, OH

#2,785 in Ohio

#72,030 in US

Cleveland, OH, United States of America

Mcdowell-wellman Company

Forward Citations = 28

4 inventors:

Thomas E Ban (2 out of 13 patents)

William H Marlowe (2 out of 3 patents)

John C Sheppard (1 out of 1 patent)

4. Wallace Hamilton (1 out of 1 patent)

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