Portable amplifier
Description
Claims
The ornamental design for a portable amplifier, as shown and described.
Referenced Cited
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Patent History
Patent number: D616862
Type: Grant
Filed: Dec 1, 2009
Date of Patent: Jun 1, 2010
Inventor: Te-Wei Kung (Tainan City 70499)
Primary Examiner: Prabhakar Deshmukh
Application Number: 29/351,124
Type: Grant
Filed: Dec 1, 2009
Date of Patent: Jun 1, 2010
Inventor: Te-Wei Kung (Tainan City 70499)
Primary Examiner: Prabhakar Deshmukh
Application Number: 29/351,124
Classifications