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US Patent: 171,995
Improvement in machines for shaping piano-keys
Patentee:
Samuel M. Comstock (exact or similar names) - Centre Brook, CT

USPTO Classifications:
12/126, 144/154

Tool Categories:
trade specific : music instrument maker
woodworking machines : specialty woodworking machines

Assignees:
Comstock, Cheney, & Co. - Centre Brook, CT

Manufacturer:
Not known to have been produced

Witnesses:
Giles Potter
Ira T. Payne

Patent Dates:
Applied: Jun. 17, 1875
Granted: Jan. 11, 1876

Patent Pictures: [ 1 | 2 ]
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Description:
The assignee was an ivory supplier.

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