For the Inventor, By the Inventor

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Galesburg, IL, United States of America

Dick Blick Company

USPTO Granted Patents = 3

Forward Citations = 11

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4 inventors (with patents filed for the assignee):

Robert C Ingersoll (3 out of 3 patents)

William F Goodrich (3 out of 3 patents)

Donald W Doman (2 out of 48 patents)

4. John W Flaherty (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. D254325 - Housing for centrifugal casting machine (1980-02-26),

2. 4134445 - Centrifugal casting apparatus (1979-01-16),

3. 3981105 - Lapidary apparatus (1976-09-21),

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USPTO Data Jan 1 1976 - Jan 6 2026

3 Patents

#3 in Galesburg, IL

#3,364 in Illinois

#72,066 in US

Galesburg, IL, United States of America

Dick Blick Company

Forward Citations = 11

4 inventors:

Robert C Ingersoll (3 out of 3 patents)

William F Goodrich (3 out of 3 patents)

Donald W Doman (2 out of 48 patents)

4. John W Flaherty (1 out of 1 patent)

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