Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Speaker or housing therefor
Patent
1997-12-30
1998-12-15
Hyder, Philip S.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Speaker or housing therefor
1401
Patent
active
D04026608
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patent: D376364 (1996-12-01), Boothroyd et al.
patent: D387059 (1997-12-01), Peng
patent: 4580654 (1986-04-01), Hale
patent: 5286928 (1994-02-01), Borland
Bondade Nanda
Hyder Philip S.
International Business Machines - Corporation
Magistrale Anthony N.
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