Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Element or attachment
Design Patent
2002-05-17
2004-08-17
Rademaker, Charles A. (Department: 2913)
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Element or attachment
Design Patent
active
D0494574
CLAIM:
The ornamental design for a headset amplifier, as shown and described.
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Espinola Paul
Jones Jeffrey S.
Magnasco John
Schmidt Peter
Thiel Ron Van
Haverstock & Owens LLP
Hello Direct, Inc.
Rademaker Charles A.
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