Growing community of inventors

Essex Junction, VT, United States of America

Chad Yonkman

Average Co-Inventor Count = 2.00

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 = 13

Chad Yonkman ↔ David Gellis (2 patents)Chad YonkmanChad Yonkman (2 patents)David GellisDavid Gellis (20 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Madgrip Holdings, LLC (2 from 9 patents)


2 patents:

1. D789652 - Glove

2. D783229 - Glove

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as of
12/9/2025
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