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US Patent: 286,221
Machine for Cutting Key Seats
Patentee:
Samuel B. Pierce (exact or similar names) - La Crosse, WI

USPTO Classifications:
409/304, 409/335

Tool Categories:
metalworking machines : key seating machines

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Jul. 24, 1882
Granted: Oct. 09, 1883

Patent Pictures:
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