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Patent number:
Patent Date:
US Patent: 56,495
Making Tools
Improvement in Making Gear-Cutters
Patentee:
Lewis F. Grant (
exact
or
similar
names) - 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, Providence County, RI
Lucien Sharpe
- Providence, Providence County, RI
Manufacturer:
Not known to have been produced
Witnesses:
Jonathan M. Peck
John H. Duxbury
Patent Dates:
Granted:
Jul. 17, 1866
Patent Pictures:
USPTO
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Google Patents
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