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US Patent: 56,495
Making Tools
Improvement in Making Gear-Cutters
Patentee:
Lewis F. Grant - Thomaston, Litchfield County, CT

USPTO Classifications:
76/115

Tool Categories:
metalworking machines : milling machines

Assignees:
Lewis F. Grant - Thomaston, Litchfield County, CT
Joseph R. Brown - Providence, RI
Lucien Sharpe - Providence, RI

Manufacturer:
Not known to have been produced

Witnesses:
Jonathan M. Peck
John H. Duxbury

Patent Dates:
Granted: Jul. 17, 1866

Patent Pictures:
USPTO pdf tiff
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