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Lake In The Hills, IL, United States of America

Martin 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 = 14

Martin Simpson ↔ Richard Carriker (1 patent)Martin Simpson ↔ Thomas F Hauck (1 patent)Martin SimpsonMartin Simpson (1 patent)Richard CarrikerRichard Carriker (4 patents)Thomas F HauckThomas F Hauck (1 patent)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. James Clem Corporation (1 from 7 patents)


1 patent:

1. 5360294 - Bentonite liner with drainage system protection

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as of
12/20/2025
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