Growing community of inventors

Delaware, OH, United States of America

Steven L Hadley

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 = 37

Steven L HadleyJeff Marcus Terry (1 patent)Steven L HadleySteve L Barnhardt (1 patent)Steven L HadleySteven L Hadley (1 patent)Jeff Marcus TerryJeff Marcus Terry (10 patents)Steve L BarnhardtSteve L Barnhardt (2 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Volvo Gm Heavy Truck Corporation (1 from 9 patents)


1 patent:

1. 5593167 - Highway vehicle

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12/20/2025
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