Growing community of inventors

Dayton, OH, United States of America

By Elva O'Brien, Executrix

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 = 19

By Elva O'Brien, Executrix ↔ Richard C O'Brien, Deceased (1 patent)By Elva O'Brien, ExecutrixBy Elva O'Brien, Executrix (1 patent)Richard C O'Brien, DeceasedRichard C O'Brien, Deceased (2 patents)
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Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Other (1 from 832,812 patents)


1 patent:

1. 4115188 - Method for recycling paper mill waste water

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as of
12/20/2025
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