Growing community of inventors

St. Paris, OH, United States of America

Dennis Karns

Average Co-Inventor Count = 3.00

ph-index = 1

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 = 36

Dennis KarnsDavid M Amirault (1 patent)Dennis KarnsMark W Geis (1 patent)Dennis KarnsDennis Karns (1 patent)David M AmiraultDavid M Amirault (11 patents)Mark W GeisMark W Geis (7 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Evenflo Company, Inc. (1 from 121 patents)


1 patent:

1. 6682143 - Booster seat

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as of
12/9/2025
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