Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Element or attachment
Design Patent
2002-06-17
2004-04-27
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
D0489059
CLAIM:
The ornamental design for network concentrator, as shown and described.
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patent: D464657 (2002-10-01), Goto
patent: D472547 (2003-04-01), Denou et al.
patent: 3004966 (2002-07-01), None
patent: DM/052012 (2000-05-01), None
Dendou Minoru
Sakata Kouki
Allied Telesis K.K.
Rademaker Charles A.
Rosenthal & Osha L.L.P.
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