Growing community of inventors

Springfield, MA, United States of America

Robert St Amand

Average Co-Inventor Count = 1.33

ph-index = 2

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 = 38

Robert St AmandRaymond T Cassidy (1 patent)Robert St AmandRobert St Amand (2 patents)Raymond T CassidyRaymond T Cassidy (5 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. National Blank Book Company, Inc. (2 from 8 patents)


2 patents:

1. 4181381 - Filing device

2. 4119200 - Tape cassette holder

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as of
12/11/2025
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