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US Patent: 416,479
Combined Key Seat and Key Cutting Machine
Patentee:
George W. Marshall (exact or similar names) - Romeo, Macomb County, MI

USPTO Classifications:
144/278.1, 409/307, 409/335

Tool Categories:
metalworking machines : key seating machines

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Apr. 29, 1889
Granted: Dec. 03, 1889

Patent Pictures:
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