Walk-on piano

Details Walk-on piano Walk-on piano

1988-05-03

1990-12-25

Ansher, Bernard

Musical instruments

Keyboard type

Piano or cabinet therefor

Patent

active

D03132382

REFERENCES:
patent: D259229 (1981-05-01), Lady
patent: D260097 (1981-08-01), Antonelli
patent: 847307 (1906-11-01), Bailey
patent: 3101023 (1963-08-01), Weis
patent: 4777856 (1988-10-01), Liu et al.

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