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Wausau, WI, United States of America

John vanKerkhoven, Deceased

Average Co-Inventor Count = 2.00

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 = 24

John vanKerkhoven, DeceasedJames F Kick (1 patent)John vanKerkhoven, DeceasedJohn vanKerkhoven, Deceased (1 patent)James F KickJames F Kick (15 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Specialty Packaging Group, Inc. (1 from 4 patents)


1 patent:

1. 4969572 - End closure having a push open lid portion

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as of
12/20/2025
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