Growing community of inventors

West Linn, OR, United States of America

John Ludeman

Average Co-Inventor Count = 2.25

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 = 159

John Ludeman ↔ Lawrence G Selbiger (3 patents)John Ludeman ↔ James K Tong (1 patent)John LudemanJohn Ludeman (3 patents)Lawrence G SelbigerLawrence G Selbiger (57 patents)James K TongJames K Tong (40 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Avia Group International, Inc. (3 from 145 patents)


3 patents:

1. D297882 - Shoe upper

2. D292945 - Shoe upper

3. D292942 - Shoe upper

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as of
12/13/2025
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