Growing community of inventors

Cerritos, CA, United States of America

Russell B Spencer

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 = 20

Russell B SpencerRobert D McKeirnan, Jr (1 patent)Russell B SpencerRussell B Spencer (1 patent)Robert D McKeirnan, JrRobert D McKeirnan, Jr (15 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Matrix Innovative Products (1 from 1 patent)


1 patent:

1. 6478273 - Wall tack

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as of
12/10/2025
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