Growing community of inventors

North Kansas City, MO, United States of America

Donald E Derry

Average Co-Inventor Count = 2.00

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 E DerryDrake L Koch (1 patent)Donald E DerryDonald E Derry (1 patent)Drake L KochDrake L Koch (19 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Other (1 from 832,843 patents)


1 patent:

1. 11926984 - Footing and foundation wall drainage system

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as of
12/30/2025
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