Growing community of inventors

Santa Rosa, CA, United States of America

John B Hennessy

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 = 9

John B HennessyDerek Graham Lane (1 patent)John B HennessyJohn B Hennessy (1 patent)Derek Graham LaneDerek Graham Lane (7 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Other (1 from 832,718 patents)


1 patent:

1. 4437130 - Cassette adapter for eight track machines

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12/14/2025
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