Growing community of inventors

Arcadia, CA, United States of America

Richard F Hirsch

Average Co-Inventor Count = 1.00

ph-index = 2

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 = 33

Richard F HirschRichard F Hirsch (3 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Usm Corporation (2 from 532 patents)

2. Other (1 from 832,912 patents)


3 patents:

1. D294949 - Fastener feeder housing

2. 4592136 - Fastener presentation device

3. 3974913 - Blind rivet magazine

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as of
1/7/2026
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