Growing community of inventors

Tucson, AZ, United States of America

Donald Simpson

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 = 0

Donald Simpson ↔ Michael W Baum (1 patent)Donald Simpson ↔ Kenneth Henderson (1 patent)Donald Simpson ↔ Gary L Barker (1 patent)Donald Simpson ↔ William H Hensley (1 patent)Donald SimpsonDonald Simpson (1 patent)Michael W BaumMichael W Baum (2 patents)Kenneth HendersonKenneth Henderson (1 patent)Gary L BarkerGary L Barker (1 patent)William H HensleyWilliam H Hensley (1 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Mueller Industries, Inc. (1 from 26 patents)


1 patent:

1. 6086289 - Mini drainage immobilization system and method

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as of
12/14/2025
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