Growing community of inventors

Hatboro, PA, United States of America

Charles E O'Farrell

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 = 13

Charles E O'Farrell ↔ Joseph M Owens (1 patent)Charles E O'FarrellCharles E O'Farrell (1 patent)Joseph M OwensJoseph M Owens (10 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Rohm and Haas Company (1 from 3,395 patents)


1 patent:

1. 4460734 - Self-leveling floor polish compositions

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12/31/2025
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