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US Patent: 1,910,296
Punch Retainer Mechanism
Patentee:
Floyd C. King (exact or similar names) - Birmingham, Oakland County, MI

USPTO Classifications:
279/77, 279/79, 403/284, 403/361, 83/698.31, 83/698.91

Tool Categories:
metalworking machines : metalworking presses : punch presses

Assignees:
Guardian Trust Co. - Detroit, Wayne County, MI

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Feb. 11, 1929
Granted: May 23, 1933

Patent Pictures:
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