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US Patent: 335,333
Key Seat Cutter
Patentee:
Arza M. Benson (exact or similar names) - Cleveland, OH

USPTO Classifications:
409/307

Tool Categories:
metalworking machines : key seating machines

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Nov. 06, 1885
Granted: Feb. 02, 1886

Patent Pictures:
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