Growing community of inventors

Chilton, WI, United States of America

Gary L Friederichs

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 = 3

Gary L Friederichs ↔ Mark R Swanson (1 patent)Gary L FriederichsGary L Friederichs (1 patent)Mark R SwansonMark R Swanson (7 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Renaissance Learning, Inc. (1 from 14 patents)


1 patent:

1. D476656 - Optical mark reader housing

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12/7/2025
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