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US Patent: 1,666,942
Automatic die-press stopping mechanism
Patentee:
Charles D. McDonald (exact or similar names) - Chicago, IL

USPTO Classifications:
192/128

Tool Categories:

Assignees:
McDonald Machine Co. - Chicago, IL

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Aug. 08, 1927
Granted: Apr. 24, 1928

Patent Pictures:
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