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US Patent: 507,020
Machine for making parts of pianoforte-actions
Patentee:
Eben B. Mansfield (exact or similar names) - Maplewood, MA

USPTO Classifications:
144/3.1, 144/365, 144/371, 408/25

Tool Categories:
trade specific : music instrument maker

Assignees:
Frank G. Kincaid - Maplewood, MA

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Aug. 08, 1892
Granted: Oct. 17, 1893

Patent Pictures:
USPTO (New site tip)
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