For the Inventor, By the Inventor

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Mansfield, TX, United States of America

Hemphill Industries, Inc.

USPTO Granted Patents = 2

Forward Citations = 41

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1 inventor (with patents filed for the assignee):

Charles W Hemphill (2 out of 18 patents)

2 patents: Sort by Forward Citations

1. 4727664 - Digging tooth and holder therefor (1988-03-01),

2. 4476642 - Digging tooth and holder assembly (1984-10-16),

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USPTO Data Jan 1 1976 - Dec 16 2025

2 Patents

#10 in Mansfield, TX

#6,126 in Texas

#92,554 in US

Mansfield, TX, United States of America

Hemphill Industries, Inc.

Forward Citations = 41

1 inventor:

Charles W Hemphill (2 out of 18 patents)

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