Growing community of inventors

Old Orchard Beach, ME, United States of America

John Lee Ketchum

Average Co-Inventor Count = 3.00

ph-index = 2

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 = 16

John Lee KetchumKevin Lauren Cote (1 patent)John Lee KetchumPaul Emmett Bredenberg (1 patent)John Lee KetchumMichael Lee Hearn (1 patent)John Lee KetchumRich Daniel Curley (1 patent)John Lee KetchumJohn Lee Ketchum (2 patents)Kevin Lauren CoteKevin Lauren Cote (63 patents)Paul Emmett BredenbergPaul Emmett Bredenberg (7 patents)Michael Lee HearnMichael Lee Hearn (6 patents)Rich Daniel CurleyRich Daniel Curley (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Heidelberger Druckmaschinen Ag (2 from 2,544 patents)


2 patents:

1. 6585263 - Deceleration drum assembly containing air guides

2. 6439562 - Pre-cylinder signature collector

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as of
12/20/2025
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