For the Inventor, By the Inventor

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Huntington, WV, United States of America

C.a.s.t. Minerals, Inc.

USPTO Granted Patents = 2

Forward Citations = 17

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7 inventors (with patents filed for the assignee):

Riley D Robbins (2 out of 5 patents)

Robert L Carnahan (2 out of 2 patents)

Frank A Elk (2 out of 2 patents)

4. William S Bradley (1 out of 1 patent)

5. Robert M Lewis (1 out of 3 patents)

6. William M Lewis (1 out of 1 patent)

7. William M Bradley (1 out of 1 patent)

2 patents: Sort by Forward Citations

1. 6907994 - Process for converting wet fly ash into dry useful industrial products (2005-06-21),

2. 6666335 - Multi-mineral/ash benefication process and apparatus (2003-12-23),

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USPTO Data Jan 1 1976 - Dec 16 2025

2 Patents

#12 in Huntington, WV

#104 in West Virginia

#92,551 in US

Huntington, WV, United States of America

C.a.s.t. Minerals, Inc.

Forward Citations = 17

7 inventors:

Riley D Robbins (2 out of 5 patents)

Robert L Carnahan (2 out of 2 patents)

Frank A Elk (2 out of 2 patents)

4. William S Bradley (1 out of 1 patent)

5. Robert M Lewis (1 out of 3 patents)

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