Electronic piano

Details Electronic piano Electronic piano

1992-07-13

1994-06-28

Ansher, Bernard

Musical instruments

Keyboard type

Patent

active

D03482790

REFERENCES:
patent: D313035 (1990-12-01), Katsuhara et al.
patent: D317319 (1991-06-01), Mine
patent: D317774 (1991-06-01), Mizushima
patent: D320032 (1991-09-01), Hoshina
patent: D320033 (1991-09-01), Hoshina
patent: D320404 (1991-10-01), Yamawaki et al.
patent: D320611 (1991-10-01), Ono
patent: D320612 (1991-10-01), Ohki
patent: D322086 (1991-12-01), Yamawaki et al.
patent: D322268 (1991-12-01), Yamawaki
patent: D322269 (1991-12-01), Yamawaki
patent: D322800 (1991-12-01), Yun
patent: D325213 (1992-04-01), Mizushima
patent: D325214 (1992-04-01), Hoshina
patent: D325597 (1992-04-01), Sakagami
patent: 5157213 (1992-10-01), Kashio et al.
HFD, Mar. 14, 1988, p. 103 (Casio's Keyboard) at the top of the page.
Music trades, Apr. 1987, p. 88, (Keytek's Keyboard K-50).
Music Trades, Feb. 1990. p. 117 (Kawai's Portable Keyboard).

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