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Opelika, AL, United States of America

Calvin E James, Sr

Average Co-Inventor Count = 2.00

ph-index = 1

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 103

Calvin E James, SrIra J Silberman (1 patent)Calvin E James, SrCalvin E James, Sr (1 patent)Ira J SilbermanIra J Silberman (15 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Diversified Products, Inc. (1 from 74 patents)


1 patent:

1. 4369966 - Folding exercising apparatus

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12/17/2025
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