Growing community of inventors

Fox Point, WI, United States of America

John M Grogan

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 = 11

John M GroganCarl G Amick (1 patent)John M GroganJohn M Grogan (1 patent)Carl G AmickCarl G Amick (1 patent)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. The Northwestern Mutual Life Insurance Company (1 from 5 patents)


1 patent:

1. 8775216 - System and method for categorizing occupational disabilities

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as of
12/20/2025
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