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US Patent: 453,297
Grinding Machine
Patentee:
George W. Watrous (exact or similar names) - Norwich, New London County, CT

USPTO Classifications:
451/124, 451/236

Tool Categories:
metalworking machines : grinders : surface grinders

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Feb. 16, 1891
Granted: Jun. 02, 1891

Patent Pictures:
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