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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 ] USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin
Description: The assignee was an ivory supplier.

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