Growing community of inventors

Tulsa, OK, United States of America

John W Chapman

Average Co-Inventor Count = 1.33

ph-index = 3

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 = 19

John W ChapmanJohn A Zurcher (1 patent)John W ChapmanSteven M Tipton (1 patent)John W ChapmanRichard J Feehan (1 patent)John W ChapmanJohn W Chapman (3 patents)John A ZurcherJohn A Zurcher (12 patents)Steven M TiptonSteven M Tipton (10 patents)Richard J FeehanRichard J Feehan (8 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Zebco Corporation (3 from 96 patents)


3 patents:

1. D336326 - Spincasting reel seat for a fishing rod

2. D335525 - Spinning reel seat for a fishing rod

3. 5040743 - Spinning reel with rear-actuated front drag

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
12/11/2025
Loading…