Growing community of inventors

Grafton, WI, United States of America

John R Howman

Average Co-Inventor Count = 2.25

ph-index = 3

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 = 90

John R HowmanKenneth G Seidl (2 patents)John R HowmanBruce E Schmidt (1 patent)John R HowmanDavid J Alpert (1 patent)John R HowmanJohn R Howman (3 patents)Kenneth G SeidlKenneth G Seidl (45 patents)Bruce E SchmidtBruce E Schmidt (4 patents)David J AlpertDavid J Alpert (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Tranquilease, LLC (2 from 2 patents)

2. Raffel Systems, LLC (1 from 96 patents)


3 patents:

1. 7766293 - Lighted cup holder for seating arrangements

2. D584696 - Hand-held remote controller for a massage system

3. 7438356 - Portable heated stadium seat and method

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12/15/2025
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