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US Patent: 162,987
Improvement in mortising-machines Mortising machine for piano buttons
Patentee: Salmon H. Wilder (exact or similar names) - Meriden, CT USPTO Classifications: 144/245.1, 144/75 Tool Categories: woodworking machines : joint making machines : mortising machines trade specific : music instrument maker woodworking machines : wood drilling and boring : mortising machines Assignees: Pratt, Read & Co. - Deep River, CT Manufacturer: Not known to have been produced Witnesses: James P. Platt C. P. Ives	Patent Dates: Applied: Mar. 19, 1875 Granted: May 04, 1875 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin

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