Growing community of inventors

Washougal, WA, United States of America

Daniel J Twain

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

Daniel J TwainKenneth M Twain (1 patent)Daniel J TwainDaniel J Twain (1 patent)Kenneth M TwainKenneth M Twain (14 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Other (1 from 832,718 patents)


1 patent:

1. 10885885 - Musical instrument combining sound characteristics of a guitar and banjo

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12/9/2025
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