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The ornamental design for a wireless amplifier system, as shown and described.
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A portion of the disclosure of this patent document contains material which may be protected by copyright. The copyright owner has no objection the facsimile reproduction by anyone of the patent document or the patent disclosure, as it appears in the Patent and Trademark Office patent file or records, but reserves all other copyright rights whatsoever.
The broken line showing of the cords, receiver and speakers is included for the purpose of illustrating environmental structure and forms no part of the claim.
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Dec 27 2007 | BEIJING EDIFIER TECHNOLOGY CO., LTD. | (assignment on the face of the patent) | / | |||
Mar 29 2008 | XIE, XIAOGUANG | BEIJING EDIFIER TECHNOLOGY CO , LTD | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 020811 | /0818 |
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