Growing community of inventors

Carol Steam, IL, United States of America

Mark Dean Ritchie

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 = 1

Mark Dean RitchieWilliam Clark Pfutzenreuter (1 patent)Mark Dean RitchieMark Dean Ritchie (1 patent)William Clark PfutzenreuterWilliam Clark Pfutzenreuter (3 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Capcom Coin-Op, Inc. (1 from 13 patents)


1 patent:

1. 5655770 - Pinball solenoid power control system

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1/14/2026
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