Growing community of inventors

Bolivar, OH, United States of America

Larry J Campbell

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 = 58

Larry J CampbellJoseph M Concaugh (1 patent)Larry J CampbellLarry J Campbell (1 patent)Joseph M ConcaughJoseph M Concaugh (1 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Handy & Harman Automotive Group, Inc. (1 from 17 patents)


1 patent:

1. 4758455 - Composite fuel and vapor tube having increased heat resistance

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12/20/2025
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