Growing community of inventors

Cincinnati, OH, United States of America

Robert J Hail

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 = 50

Robert J HailDonald J Massari, Jr (1 patent)Robert J HailRobert J Hail (1 patent)Donald J Massari, JrDonald J Massari, Jr (6 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Senco Products, Inc. (1 from 117 patents)


1 patent:

1. 4688710 - Modular tool having interchangeable handle and magazine units

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as of
12/12/2025
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