Growing community of inventors

Ankeny, IA, United States of America

David L Arringdale

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 = 49

David L ArringdaleDouglas Edward DeVries (1 patent)David L ArringdaleMichael W Walter (1 patent)David L ArringdaleDouglas E Devries (1 patent)David L ArringdaleDavid L Arringdale (1 patent)Douglas Edward DeVriesDouglas Edward DeVries (22 patents)Michael W WalterMichael W Walter (4 patents)Douglas E DevriesDouglas E Devries (1 patent)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Consumer Safety Technology, LLC (1 from 40 patents)


1 patent:

1. 8957771 - Apparatus, system, and method for implementing and monitoring breath alcohol testing programs, usually from a fixed point location, such as a home

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12/17/2025
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