Growing community of inventors

Davenport, IA, United States of America

Duane Aaron Howell

Average Co-Inventor Count = 1.20

ph-index = 3

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 = 35

Duane Aaron HowellDavid G Walton (1 patent)Duane Aaron HowellDuane Aaron Howell (3 patents)David G WaltonDavid G Walton (1 patent)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. The Kartridg Pak Co. (2 from 32 patents)

2. Other (1 from 832,718 patents)


3 patents:

1. 5930930 - Gun locking mechanism

2. 4009778 - Dual compartment package and method for making same

3. 3992854 - Method and apparatus for making dual compartment package

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as of
12/12/2025
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