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US Patent: 1,465,460
Machine for Cutting Keyways
Patentee:
John Alleman (exact or similar names) - Philadelphia, PA

USPTO Classifications:
409/332

Tool Categories:
metalworking machines : key seating machines

Assignees:
August Amsler - Philadelphia, PA

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Jan. 18, 1921
Granted: Aug. 21, 1923

Patent Pictures:
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