Growing community of inventors

Euclid, OH, United States of America

Frank Bortnick

Average Co-Inventor Count = 3.00

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 = 25

Frank BortnickJohn E Hartman (1 patent)Frank BortnickRoger Petrovich (1 patent)Frank BortnickFrank Bortnick (1 patent)John E HartmanJohn E Hartman (10 patents)Roger PetrovichRoger Petrovich (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. F.j.r. Industries, Inc. (1 from 1 patent)


1 patent:

1. 4586688 - Fishing rod holder

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as of
12/27/2025
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