Growing community of inventors

Ann Arbor, MI, United States of America

John D Vandermark

Average Co-Inventor Count = 4.00

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 = 4

John D VandermarkSteven R Schenck (1 patent)John D VandermarkRobert W Price (1 patent)John D VandermarkLeroy D Dowding (1 patent)John D VandermarkJohn D Vandermark (1 patent)Steven R SchenckSteven R Schenck (2 patents)Robert W PriceRobert W Price (1 patent)Leroy D DowdingLeroy D Dowding (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Rex Roto Technologies, Inc. (1 from 1 patent)


1 patent:

1. 6248677 - Ceramic fiber composite material and process for making the composite material

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as of
12/30/2025
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