Musical instruments – Keyboard type – Piano or cabinet therefor
Patent
1978-02-21
1980-06-10
Stearman, Joel
Musical instruments
Keyboard type
Piano or cabinet therefor
D1701
Patent
active
D02553660
REFERENCES:
patent: D78909 (1929-07-01), Waters
patent: D113835 (1939-03-01), Day
patent: D121441 (1940-07-01), Zaiser
patent: D219404 (1970-12-01), White
patent: D229778 (1974-01-01), Kimble
Aiba Nobushiro
Karaki Sadayoshi
Corrigan Jane E.
Nippon Gakki Seizo Kabushiki Kaisha
Stearman Joel
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