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For the Inventor, By the Inventor

San Diego, CA, United States of America

Cbtf Co.


USPTO Granted Patents = 2

Forward Citations = 4

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2 inventors (with patents filed for the assignee):

goldMedal Charles W Robinson (2 out of 13 patents)

silverMedal William F Burns, Iii (2 out of 13 patents)


2 patents:

1. 7128010 - CBTF sailing yacht appendage retraction system (2006-10-31),
2. 6951180 - CBTF sailing yacht main engine drive system (2005-10-04),
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USPTO Data Jan 1 1976 - Dec 16 2025

2 Patents

#1,430 in San Diego, CA

#20,545 in California

#92,639 in US

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San Diego, CA, United States of America

Cbtf Co.

Forward Citations = 4

2 inventors:

goldMedal Charles W Robinson (2 out of 13 patents)

silverMedal William F Burns, Iii (2 out of 13 patents)

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