-
Communication headset
-
Patent number D381336
-
Issue date Jul 22, 1997
-
Plantronics, Inc.
-
Gabriele Bungardt
-
D14 - Recording, communication, or information retrieval equipment
-
Communications headset
-
Patent number D377020
-
Issue date Dec 31, 1996
-
Plantronics, Inc.
-
Gabriele Bungardt
-
D14 - Recording, communication, or information retrieval equipment
-
Communications headset
-
Patent number D375959
-
Issue date Nov 26, 1996
-
Plantronics, Inc.
-
Michael G. Davis
-
D14 - Recording, communication, or information retrieval equipment
-
Communications headset
-
Patent number D375500
-
Issue date Nov 12, 1996
-
Plantronics, Inc.
-
Gabriele Bungardt
-
D14 - Recording, communication, or information retrieval equipment