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US Patent: 1,448,807
Die-press mechanism
Patentees:
John E. McCullough (exact or similar names) - Chicago, IL
Charles D. McDonald (exact or similar names) - Chicago, IL

USPTO Classifications:
83/420, 83/435.25, 83/620

Tool Categories:

Assignees:
McDonald Machine Co. - Chicago, IL

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Feb. 06, 1922
Granted: Mar. 20, 1923

Patent Pictures:
USPTO (New site tip)
Google Patents
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