Growing community of inventors

Warren, NJ, United States of America

Robert David Castagno

Average Co-Inventor Count = 2.00

ph-index = 3

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 = 21

Robert David CastagnoWilliam J Coleman (2 patents)Robert David CastagnoWilliam Joseph Coleman (1 patent)Robert David CastagnoRobert David Castagno (3 patents)William J ColemanWilliam J Coleman (9 patents)William Joseph ColemanWilliam Joseph Coleman (15 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 832,843 patents)


3 patents:

1. D656667 - Hair treatment applicator

2. D656269 - Hair treatment applicator

3. 7779847 - Apparatus and methods for manipulating hair processing materials

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as of
12/26/2025
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