Growing community of inventors

Nash, TX, United States of America

Roy M Perryman

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 = 3

Roy M PerrymanPaul A Warfel (1 patent)Roy M PerrymanRodney W Tynes (1 patent)Roy M PerrymanRoy M Perryman (1 patent)Paul A WarfelPaul A Warfel (14 patents)Rodney W TynesRodney W Tynes (11 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Electrolux Home Products, Inc. (1 from 740 patents)


1 patent:

1. 6973899 - Stratified air scavenged two-cycle engine with air flow

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12/20/2025
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