Portland, OR, United States of America

Virtual Corporation


USPTO Granted Patents = 2

Trademarks = 7

Forward Citations = 38

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3 inventors (with patents filed for the assignee):

goldMedal Jonathan David Birck (2 out of 6 patents)

silverMedal Valdis E Garuts (1 out of 13 patents)

bronzeMedal Grayson C Silaski (1 out of 1 patent)


2 patents:

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USPTO Data Jan 1 1976 - Sep 15 2026

2 Patents

#370 in Portland, OR

#1,112 in Oregon

#94,722 in US

Portland, OR (US)
Portland, OR, United States of America
Forward Citations = 38

3 inventors:

Please report any incorrect information to [email protected]
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