Growing community of inventors

Skokie, IL, United States of America

John A Michna

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 A MichnaDonald J McDowell (1 patent)John A MichnaJohn A Michna (1 patent)Donald J McDowellDonald J McDowell (13 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Fel-pro Incorporated (1 from 57 patents)


1 patent:

1. 4834279 - Gasketing material and method of making same by densifying adhesive

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as of
12/19/2025
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