Growing community of inventors

Utica, MI, United States of America

Edward E Durham

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 = 13

Edward E Durham ↔ John F Schweikert (1 patent)Edward E Durham ↔ David S Grossman (1 patent)Edward E DurhamEdward E Durham (1 patent)John F SchweikertJohn F Schweikert (3 patents)David S GrossmanDavid S Grossman (1 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Gm Global Technolgoy Operations, Inc. (1 from 30,982 patents)


1 patent:

1. 4428343 - Tip-in knock eliminating spark timing control

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12/16/2025
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