Growing community of inventors

DuPage County, IL, United States of America

Karl A Kohler

Average Co-Inventor Count = 1.50

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 = 86

Karl A KohlerJoseph J Hart (2 patents)Karl A KohlerKarl A Kohler (3 patents)Joseph J HartJoseph J Hart (19 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Jefferson Smurfit Corporation (3 from 49 patents)


3 patents:

1. 6041920 - Beverage carrier with separate partitions

2. 5941377 - Beverage carrier with separate partitions

3. 5699958 - Carton flap retention arrangement

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as of
12/17/2025
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