Growing community of inventors

Malvern, PA, United States of America

David L Machamer

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 = 7

David L MachamerLarry K Rogers (1 patent)David L MachamerJinjun Wang (1 patent)David L MachamerDavid L Machamer (1 patent)Larry K RogersLarry K Rogers (18 patents)Jinjun WangJinjun Wang (2 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Hutchinson, Sa (1 from 51 patents)


1 patent:

1. 7438366 - Replacement wheel and contact ring therefor

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12/20/2025
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