Growing community of inventors

Amherst, OH, United States of America

David John Smith

Average Co-Inventor Count = 3.43

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 = 54

David John SmithTammy Westerman (1 patent)David John SmithRamiro Galleguillos (1 patent)David John SmithDaniel F Hasman (1 patent)David John SmithJoseph A Tomaro (1 patent)David John SmithSteven Constantino (1 patent)David John SmithDavid John Smith (2 patents)Tammy WestermanTammy Westerman (5 patents)Ramiro GalleguillosRamiro Galleguillos (3 patents)Daniel F HasmanDaniel F Hasman (3 patents)Joseph A TomaroJoseph A Tomaro (3 patents)Steven ConstantinoSteven Constantino (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Pmd Holdings Corp. (1 from 12 patents)

2. State Industrial Products Corporation (1 from 11 patents)


2 patents:

1. 6784147 - Soy based drain cleaner

2. 6410005 - Branched/block copolymers for treatment of keratinous substrates

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as of
12/7/2025
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