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BEAVERTON, OR, US
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Patents Grants
last 30 patents
Information
Patent Grant
Pipe cutter
Patent number
10,232,452
Issue date
Mar 19, 2019
TOP GOAL Enterprise Limited
Tsan-Lung Chen
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Pipe cutter
Patent number
10,035,202
Issue date
Jul 31, 2018
TOP GOAL Enterprise Limited
Tsan-Lung Chen
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Ratchet wrench
Patent number
9,981,373
Issue date
May 29, 2018
TOP GOAL Enterprise Limited
Tsan-Lung Chen
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Grant
Hex key wrench system
Patent number
9,463,568
Issue date
Oct 11, 2016
TOP GOAL Enterprise Limited
Tsan-Lung Chen
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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