Switching power adaptor with changeable plugs
Claims
The ornamental design for a switching power adaptor with changeable plugs, as shown and described.
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Type: Grant
Filed: Apr 12, 2013
Date of Patent: Dec 31, 2013
Assignee: Ace Frontier Media Limited (Hong Kong)
Inventor: Chun Chun Tsoi (Hong Kong)
Primary Examiner: Derrick Holland
Application Number: 29/452,226