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US Patent: 165,024
Improvement in the manufacture of key-boards for organs, etc.
Patentee:
Milon Pratt (exact or similar names) - Deep River, CT

USPTO Classifications:
144/359, 84/437, 84/438

Tool Categories:
trade specific : music instrument maker

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Oct. 14, 1874
Granted: Jun. 29, 1875

Patent Pictures:
USPTO (New site tip)
Google Patents
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