Growing community of inventors

Effingham, IL, United States of America

John M Lohman

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 = 8

John M LohmanSteven R Douglass (1 patent)John M LohmanJohn M Lohman (1 patent)Steven R DouglassSteven R Douglass (1 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Irwin Seating Company (1 from 23 patents)


1 patent:

1. 7337583 - Extendable deck for seating system

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as of
12/14/2025
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