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David Conrad Rockwood
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Honolulu, HI, US
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Patents Grants
last 30 patents
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Patent Grant
Variable diameter pulley assembly and continuously variable transmi...
Patent number
9,855,993
Issue date
Jan 2, 2018
David Conrad Rockwood
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Patents Applications
last 30 patents
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Patent Application
Variable diameter pulley assembly and continuously variable transmi...
Publication number
20150251725
Publication date
Sep 10, 2015
David Conrad Rockwood
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS