Passive speaker amplifier
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Description
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Claims
The ornamental design for the passive speaker amplifier, as shown and described herein.
Referenced Cited
U.S. Patent Documents
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Patent History
Patent number: D686213
Type: Grant
Filed: Dec 11, 2012
Date of Patent: Jul 16, 2013
Assignee: American Covers, Inc. (Draper, UT)
Inventor: Bryce Haymond (Pleasant Grove, UT)
Primary Examiner: Austin Murphy
Application Number: 29/439,465
Type: Grant
Filed: Dec 11, 2012
Date of Patent: Jul 16, 2013
Assignee: American Covers, Inc. (Draper, UT)
Inventor: Bryce Haymond (Pleasant Grove, UT)
Primary Examiner: Austin Murphy
Application Number: 29/439,465
Classifications
Current U.S. Class:
Element Or Attachment (D14/432)