Growing community of inventors

Minneapolis, MN, United States of America

Douglas E Maddox

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 = 66

Douglas E Maddox ↔ Lew A Tousignant (1 patent)Douglas E Maddox ↔ Larry G Headrick (1 patent)Douglas E MaddoxDouglas E Maddox (1 patent)Lew A TousignantLew A Tousignant (6 patents)Larry G HeadrickLarry G Headrick (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Minnesota Mining and Manufacturing Company (1 from 7,865 patents)


1 patent:

1. 5205348 - Semi-rigid heat transfer devices

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as of
12/26/2025
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