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Patent number:
Patent Date:
US Patent: 55,385
Improvement in piano-fortes
Patentee:
William Steinway (
exact
or
similar
names) - New York, NY
USPTO Classifications:
84/184
,
84/196
,
84/212
Tool Categories:
trade specific
:
music instrument maker
Assignees:
None
Manufacturer:
Not known to have been produced
Witnesses:
M. M. Livingston
W. Hauff
Patent Dates:
Granted:
Jun. 05, 1866
Patent Pictures:
USPTO
(New site tip)
Google Patents
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