Growing community of inventors

Roseville, MN, United States of America

John Thorson

Average Co-Inventor Count = 4.00

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 = 8

John Thorson ↔ Cardell E Miller (1 patent)John Thorson ↔ Gene A Tracy (1 patent)John Thorson ↔ George L Engstrom (1 patent)John ThorsonJohn Thorson (1 patent)Cardell E MillerCardell E Miller (9 patents)Gene A TracyGene A Tracy (7 patents)George L EngstromGeorge L Engstrom (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Ideal Security Hardware Corporation (1 from 13 patents)


1 patent:

1. 4588221 - Segmented door opener

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as of
12/21/2025
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