Ear muff attachment housing
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Description
Broken lines form no part of the claimed design, and any shading is provided to illustrate contour only and is not an indication of texture, gloss, etc.
Claims
The ornamental design for an ear muff attachment housing, as shown and described.
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Patent History
Patent number: D729458
Type: Grant
Filed: May 2, 2014
Date of Patent: May 12, 2015
Assignee: 3M Innovative Properties Company (St. Paul, MN)
Inventors: Henrik Edwardsson (Malmo), Emil Jonsson (Malmo), Lovisa Nersing (Malmo)
Primary Examiner: Elizabeth J Oswecki
Application Number: 29/489,796
Type: Grant
Filed: May 2, 2014
Date of Patent: May 12, 2015
Assignee: 3M Innovative Properties Company (St. Paul, MN)
Inventors: Henrik Edwardsson (Malmo), Emil Jonsson (Malmo), Lovisa Nersing (Malmo)
Primary Examiner: Elizabeth J Oswecki
Application Number: 29/489,796
Classifications
Current U.S. Class:
Ear (D29/112)