Growing community of inventors

Carnation, WA, United States of America

Roger E Friedman

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 = 0

Roger E FriedmanJanet Suzanne Booth (1 patent)Roger E FriedmanRoger E Friedman (1 patent)Janet Suzanne BoothJanet Suzanne Booth (2 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. The Boeing Company (1 from 22,232 patents)


1 patent:

1. 9746562 - Portable ground based augmentation system

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12/21/2025
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