Growing community of inventors

Springfield, MO, United States of America

Bob Shirk

Average Co-Inventor Count = 4.00

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 = 11

Bob Shirk ↔ Steve Burns (2 patents)Bob Shirk ↔ John Hooke (2 patents)Bob Shirk ↔ John Semeniuk (2 patents)Bob ShirkBob Shirk (2 patents)Steve BurnsSteve Burns (2 patents)John HookeJohn Hooke (2 patents)John SemeniukJohn Semeniuk (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Northstar Battery Company, LLC (2 from 14 patents)


2 patents:

1. D718231 - Lead-acid battery

2. D718232 - Lead-acid battery

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idiyas.com
as of
12/19/2025
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