Growing community of inventors

Henderson, NV, United States of America

Henry C Nicholson

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 = 90

Henry C Nicholson ↔ Frank C DeSimone (1 patent)Henry C Nicholson ↔ Robert J Piechowiak (1 patent)Henry C Nicholson ↔ Charles R Miller, Sr (1 patent)Henry C NicholsonHenry C Nicholson (1 patent)Frank C DeSimoneFrank C DeSimone (20 patents)Robert J PiechowiakRobert J Piechowiak (13 patents)Charles R Miller, SrCharles R Miller, Sr (5 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sigma Game, Inc. (1 from 17 patents)


1 patent:

1. 6558253 - Slot machine with award multiplier display

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12/29/2025
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