Growing community of inventors

Woodridge, IL, United States of America

John David Semple

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

John David SempleDennis John Melas (1 patent)John David SempleJohn David Semple (1 patent)Dennis John MelasDennis John Melas (10 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Progress Rail Locomotive Inc. (1 from 76 patents)


1 patent:

1. 9990552 - Operator fatigue monitoring system

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