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US Patent: 1,202,546
Process for forming scroll-edge metal blanks
Patentee:
Charles D. McDonald (exact or similar names) - Chicago, IL

USPTO Classifications:
83/165, 83/48

Tool Categories:

Assignees:
McDonald Machine Co. - Chicago, IL

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Jul. 03, 1914
Granted: Oct. 24, 1916

Patent Pictures:
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