Musical instruments – Keyboard type – Organ or cabinet therefor
Patent
1975-07-25
1977-04-19
Stearman, Joel
Musical instruments
Keyboard type
Organ or cabinet therefor
D1703
Patent
active
D02441047
REFERENCES:
patent: D54893 (1920-04-01), Campbell
patent: D186409 (1959-10-01), Pratt
patent: D236539 (1975-08-01), Krasicki
Corrigan Jane E.
Dominik Jack E.
Stearman Joel
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