Piano

Details Piano Piano

1987-07-07

1990-05-22

Ansher, Bernard

Musical instruments

Keyboard type

Piano or cabinet therefor

D17 7

Patent

active

D03080684

REFERENCES:
patent: D4468 (1870-11-01), Bull
patent: D14118 (1883-07-01), Kaucher
patent: D113631 (1939-03-01), Gugler
patent: D144039 (1946-03-01), Dembicki
patent: 276258 (1883-04-01), McCarthy et al.

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