Growing community of inventors

Staten Island, NY, United States of America

James R Hannah

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 = 39

James R Hannah ↔ Irving A Speelman (1 patent)James R HannahJames R Hannah (1 patent)Irving A SpeelmanIrving A Speelman (7 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Propper Manufacturing Co., Ltd. (1 from 49 patents)


1 patent:

1. 4384583 - Tourniquet

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as of
12/19/2025
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