Growing community of inventors

McVille, ND, United States of America

Albert O Ringdahl

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 = 10

Albert O RingdahlSherman H Quanbeck (1 patent)Albert O RingdahlDavid P Desautels (1 patent)Albert O RingdahlAlbert O Ringdahl (1 patent)Sherman H QuanbeckSherman H Quanbeck (6 patents)David P DesautelsDavid P Desautels (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Wil-rich, LLC (1 from 3 patents)


1 patent:

1. 4312621 - Auger for filling seeder on tool bar carrier

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12/18/2025
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