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Rapid City, SD, United States of America

Jeff Hoffman

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 = 5

Jeff HoffmanDavid B Fricke (1 patent)Jeff HoffmanJeff Hoffman (1 patent)David B FrickeDavid B Fricke (12 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Lehigh Defense, LLC (1 from 11 patents)

2. Black Hills Ammunition Inc. (1 from 3 patents)


1 patent:

1. 9829293 - Barrier-blind, limited collateral damage projectile

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as of
12/20/2025
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