Seattle, WA, United States of America

Twenty20, Inc.


USPTO Granted Patents = 2

Forward Citations = 50

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8 inventors (with patents filed for the assignee):

goldMedal Jason Green (2 out of 11 patents)

silverMedal David Thorpe (2 out of 23 patents)

bronzeMedal Marc Barros (2 out of 11 patents)

4 Chunshik Kim (2 out of 24 patents)

5 Felix Ballerstedt (2 out of 21 patents)

6 Oved Valadez (2 out of 12 patents)

7 Peter Kettenring (2 out of 7 patents)

8 David Randall Knaub (2 out of 37 patents)


2 patents:

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USPTO Data Jan 1 1976 - Dec 30 2025

2 Patents

#640 in Seattle, WA

#2,266 in Washington

#92,662 in US

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Seattle, WA, United States of America
Forward Citations = 50

8 inventors:

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