Growing community of inventors

Chatsworth, CA, United States of America

Erik C Purdom

Average Co-Inventor Count = 2.00

ph-index = 3

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 = 194

Erik C Purdom ↔ James Agnew (3 patents)Erik C PurdomErik C Purdom (3 patents)James AgnewJames Agnew (7 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Edge Quest, Inc. (3 from 3 patents)


3 patents:

1. D441946 - Shoe sole assembly with outsole and midsole

2. D437474 - Shoe with four gores

3. D436431 - Shoe with elastic cord

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as of
12/31/2025
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