Growing community of inventors

Chino Valley, AZ, United States of America

Douglas D Olson

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 = 13

Douglas D OlsonCharles A Finn (1 patent)Douglas D OlsonDouglas D Olson (1 patent)Charles A FinnCharles A Finn (19 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Val National Corp., Dba Qual-a-Tec (1 from 1 patent)


1 patent:

1. 5031810 - Knife or bayonet scabbard

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as of
1/5/2026
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