Growing community of inventors

Peru, IL, United States of America

John Spelich

Average Co-Inventor Count = 5.00

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 = 8

John Spelich ↔ Ross Wilson (1 patent)John Spelich ↔ Kevin T Dineen (1 patent)John Spelich ↔ Matt C Anderson (1 patent)John Spelich ↔ Hannah E Thomas (1 patent)John SpelichJohn Spelich (1 patent)Ross WilsonRoss Wilson (5 patents)Kevin T DineenKevin T Dineen (3 patents)Matt C AndersonMatt C Anderson (1 patent)Hannah E ThomasHannah E Thomas (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Spartan Tool, LLC (1 from 5 patents)


1 patent:

1. 9533856 - System for measuring payout length of an elongate member

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as of
12/14/2025
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