Growing community of inventors

West Bloomfield, MI, United States of America

Erwin C Shepard

Average Co-Inventor Count = 3.00

ph-index = 2

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 = 25

Erwin C Shepard ↔ Paul H Mitchell (2 patents)Erwin C Shepard ↔ DeWayne R Hartlerood (2 patents)Erwin C ShepardErwin C Shepard (2 patents)Paul H MitchellPaul H Mitchell (11 patents)DeWayne R HartleroodDeWayne R Hartlerood (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Other (1 from 832,891 patents)

2. Nike, Inc. (1 from 15,212 patents)


2 patents:

1. 6764629 - Laminated resilient flexible barrier membranes

2. 6620472 - Laminated resilient flexible barrier membranes

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as of
12/31/2025
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