Subwoofer
Description
Claims
The ornamental design for a subwoofer, as shown.
Referenced Cited
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Patent History
Patent number: D783577
Type: Grant
Filed: Sep 16, 2015
Date of Patent: Apr 11, 2017
Assignee: Stillwater Designs and Audio, Inc. (Stillwater, OK)
Inventors: Kyle A. Ambrose (Stillwater, OK), David E. Justis (Stillwater, OK)
Primary Examiner: Paula Greene
Application Number: 29/539,685
Type: Grant
Filed: Sep 16, 2015
Date of Patent: Apr 11, 2017
Assignee: Stillwater Designs and Audio, Inc. (Stillwater, OK)
Inventors: Kyle A. Ambrose (Stillwater, OK), David E. Justis (Stillwater, OK)
Primary Examiner: Paula Greene
Application Number: 29/539,685
Classifications
Current U.S. Class:
Speaker (12) (D14/221)