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Springfield, PA, United States of America

James W Simpson

Average Co-Inventor Count = 3.00

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 = 8

James W Simpson ↔ Richard Dale Bankert (1 patent)James W Simpson ↔ Andrew Cosgarea, Jr (1 patent)James W SimpsonJames W Simpson (1 patent)Richard Dale BankertRichard Dale Bankert (6 patents)Andrew Cosgarea, JrAndrew Cosgarea, Jr (1 patent)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Franklin Mint Corporation (1 from 4 patents)


1 patent:

1. 4063346 - Silver color proof coin or medal and method of making the same

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