Growing community of inventors

Mahopac, NY, United States of America

Robert Lee Coffman

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 = 3

Robert Lee Coffman ↔ Richard Welty Shiffler (1 patent)Robert Lee CoffmanRobert Lee Coffman (1 patent)Richard Welty ShifflerRichard Welty Shiffler (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Union Carbide Corporation (1 from 2,921 patents)


1 patent:

1. 3974080 - Silicone hydraulic fluids

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1/13/2026
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