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Portland, OR, United States of America

R.d.k. Corporation

USPTO Granted Patents = 1

Trademarks = 2

Forward Citations = 15

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1 inventor (with patents filed for the assignee):

Russell D Keller (1 out of 16 patents)

1 patent: Sort by Forward Citations

1. 5960809 - Fuel equalizing system for plurality of fuel tanks (1999-10-05),

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USPTO Data Jan 1 1976 - Dec 9 2025

1 Patents

#581 in Portland, OR

#1,684 in Oregon

#133,893 in US

Portland, OR, United States of America

R.d.k. Corporation

Forward Citations = 15

1 inventor:

Russell D Keller (1 out of 16 patents)

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