Growing community of inventors

Roanoke, VA, United States of America

Charles W Yopp

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 = 0

Charles W YoppBruce Edward Backus (1 patent)Charles W YoppCharles W Yopp (1 patent)Bruce Edward BackusBruce Edward Backus (2 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Norfolk Southern Corporation (1 from 37 patents)


1 patent:

1. 10514411 - Testing system for multiple-unit locomotives

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