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For the Inventor, By the Inventor

Redmond, WA, United States of America

Ltt, Ltd


USPTO Granted Patents = 2

Trademarks = 1

Forward Citations = 1

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1 inventor (with patents filed for the assignee):

goldMedal Kenneth A Berkun (2 out of 9 patents)


2 patents:

1. 9317792 - Method and apparatus for using a limited capacity portable data carrier (2016-04-19),
2. 8226007 - Method and apparatus for using a limited capacity portable data carrier (2012-07-24),
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USPTO Data Jan 1 1976 - Dec 30 2025

2 Patents

#158 in Redmond, WA

#2,266 in Washington

#92,637 in US

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Redmond, WA, United States of America

Ltt, Ltd

Forward Citations = 1

1 inventor:

goldMedal Kenneth A Berkun (2 out of 9 patents)

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