Growing community of inventors

Berwyn, IL, United States of America

H Allen Achepohl

Average Co-Inventor Count = 4.00

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 = 126

H Allen Achepohl ↔ Scott H Koepsel (3 patents)H Allen Achepohl ↔ Judith M Yablong (3 patents)H Allen Achepohl ↔ Kevin G Yost (2 patents)H Allen Achepohl ↔ John G Shimkus (1 patent)H Allen AchepohlH Allen Achepohl (3 patents)Scott H KoepselScott H Koepsel (15 patents)Judith M YablongJudith M Yablong (3 patents)Kevin G YostKevin G Yost (10 patents)John G ShimkusJohn G Shimkus (4 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. John O. Butler Company (3 from 47 patents)


3 patents:

1. D463129 - Toothbrush head with set of bristles

2. D421841 - Toothbrush handle

3. D412064 - Toothbrush handle

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as of
1/3/2026
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