Patent Assignment Details
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| Reel/Frame: | 026937/0757 | |
| Pages: | 4 |
| | Recorded: | 09/20/2011 | | |
| Attorney Dkt #: | FAST.006US0 |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). |
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Total properties:
1
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Patent #:
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Issue Dt:
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04/02/2013
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Application #:
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13203699
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Filing Dt:
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09/20/2011
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Publication #:
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Pub Dt:
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03/08/2012
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Title:
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ACOUSTIC ATTENUATION METHOD BASED ON ACOUSTIC RAY DEFLECTION THEORY AND A MUFFLER
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Assignee
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| NO. 21, NORTH 4TH RING ROAD WEST |
| HAIDIAN DISTRICT OF BEIJING, CHINA 100190 |
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Correspondence name and address
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DAVIS WRIGHT TREMAINE LLP
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505 MONTGOMERY STREET, SUITE 800
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SAN FRANCISCO, CA 94111-6533
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