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Greentree Boro, PA, United States of America

Richard P Herrle

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 = 4

Richard P Herrle ↔ Virginia Piermattie (1 patent)Richard P HerrleRichard P Herrle (1 patent)Virginia PiermattieVirginia Piermattie (4 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Aristech Chemical Corporation (1 from 104 patents)


1 patent:

1. 5288409 - Inhibiting the growth of zebra mussels

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12/20/2025
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