Growing community of inventors

Melrose, MA, United States of America

Bruce A Coffin

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 = 0

Bruce A Coffin ↔ Anthony V Parise (1 patent)Bruce A CoffinBruce A Coffin (1 patent)Anthony V PariseAnthony V Parise (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. H.c. Stark Inc. (1 from 4 patents)


1 patent:

1. H0002067 - Cutting metallates of refractory metals

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as of
12/26/2025
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