Growing community of inventors

Minneapolis, MN, United States of America

Gerald William Johnson

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

Gerald William Johnson ↔ Robert David Lerum (1 patent)Gerald William JohnsonGerald William Johnson (1 patent)Robert David LerumRobert David Lerum (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Spraytech, Ltd. (1 from 7 patents)


1 patent:

1. 4003504 - Pump frame

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as of
12/10/2025
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