Patent
   D508904
Priority
Jun 17 2003
Filed
Dec 17 2003
Issued
Aug 30 2005
Expiry
Aug 30 2019
Assg.orig
Entity
unknown
3
12
n/a
The ornamental design for a portable transmitter for radio headphones, as shown and described.

FIG. 1 is a top view of a portable transmitter for radio headphones showing my new design;

FIG. 2 is a perspective top view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a side view thereof;

FIG. 5 is a another side view thereof;

FIG. 6 is a front view thereof; and,

FIG. 7 is a rear view thereof.

Schwald, Christoph

Patent Priority Assignee Title
D628560, Feb 09 2009 RevoLabs, Inc Wireless audio adapter for use with a multi-user audio system
D642564, May 07 2009 Mimos Berhad Sensor mote
D836639, Jul 02 2015 DATALOGIC IP TECH S.R.L. Portable terminal
Patent Priority Assignee Title
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D501415, Dec 22 2003 Fluke Electronics Corporation Volt probe
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Dec 17 2003AKG Acoustics GmbH(assignment on the face of the patent)
Jan 22 2004SCHWALD, CHRISTOPHAKG Acoustics GmbHASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0150240761 pdf
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