Growing community of inventors

Santa Clara, CA, United States of America

Norbert J Stein

Average Co-Inventor Count = 3.00

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 = 4

Norbert J SteinClaude A Hamrick (1 patent)Norbert J SteinDonald G Shu (1 patent)Norbert J SteinNorbert J Stein (1 patent)Claude A HamrickClaude A Hamrick (6 patents)Donald G ShuDonald G Shu (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Other (1 from 832,891 patents)


1 patent:

1. 4988100 - Tennis racket with separable head and handle assembly

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12/31/2025
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