Bellevue, WA, United States of America

Penwest, Ltd.


USPTO Granted Patents = 2


Trademarks = 1

Forward Citations = 16

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5 inventors (with patents filed for the assignee):

goldMedal Bill L Miller (1 out of 66 patents)

silverMedal Wallace H Kunerth (1 out of 2 patents)

bronzeMedal James M Quarles (1 out of 5 patents)

4.  Ian Lewis Brown (1 out of 2 patents)

5.  Duane Tackaberry (1 out of 1 patent)


2 patents:

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USPTO Data Jan 1 1976 - Sep 29 2026

2 Patents

#227 in Bellevue, WA

#2,341 in Washington

#94,730 in US

Bellevue, WA (US)
Bellevue, WA, United States of America
Forward Citations = 16

5 inventors:

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