Growing community of inventors

Paradise, CA, United States of America

Douglas M Periman

Average Co-Inventor Count = 6.00

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 = 36

Douglas M PerimanBrent W Murray (1 patent)Douglas M PerimanPatrick M Bertsch (1 patent)Douglas M PerimanRonald A Angstead (1 patent)Douglas M PerimanRalph M Martin (1 patent)Douglas M PerimanArmand J Ferraro, Jr (1 patent)Douglas M PerimanDouglas M Periman (1 patent)Brent W MurrayBrent W Murray (25 patents)Patrick M BertschPatrick M Bertsch (19 patents)Ronald A AngsteadRonald A Angstead (7 patents)Ralph M MartinRalph M Martin (4 patents)Armand J Ferraro, JrArmand J Ferraro, Jr (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Rapid Pro Manufacturing, Martin and Periman Partnership (1 from 1 patent)


1 patent:

1. 7361074 - Rotating light toy

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as of
1/3/2026
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