Patent
   D772191
Priority
Dec 29 2014
Filed
Dec 29 2014
Issued
Nov 22 2016
Expiry
Nov 22 2030
Assg.orig
Entity
unknown
3
31
n/a
The ornamental design for a multi-layer voice muffler, as shown and described.

FIG. 1 is a perspective view of embodiment one, of a multi-layer voice muffler, showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof, side and opposite side elevational views being mirror images thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is an exploded top plan view thereof, shown in unassembled condition, and the exploded bottom plan view being a mirror image thereof;

FIG. 7 is a perspective view of embodiment two, of a multi-layer voice muffler, showing my new design;

FIG. 8 is a top plan view thereof;

FIG. 9 is a bottom plan view thereof, side and opposite side elevational views being mirror images thereof;

FIG. 10 is a front elevational view thereof;

FIG. 11 is a rear elevational view thereof; and,

FIG. 12 is an exploded top plan view thereof, shown in unassembled condition, and the exploded bottom plan view being a mirror image thereof.

Ludwig, Mark

Patent Priority Assignee Title
D821997, Oct 06 2016 PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD. Megaphone
D852778, Feb 08 2017 iDesign AG Horn for loudspeaker
D866524, Apr 17 2018 Wave Sciences, LLC Acoustic reflector for enhanced performance of voice-controlled devices
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