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US Patent: 834,069
Can-soldering machine
Patentees:
Charles D. McDonald (exact or similar names) - Chicago, IL
Charles B. McDonald (exact or similar names) - Chicago, IL

USPTO Classifications:
193/46, 198/390, 228/23

Tool Categories:
specialty machines : can making machines

Assignees:
McDonald Machine Co. - Chicago, IL

Manufacturer:
Not known to have been produced

Witnesses:
Oscar W. Bond
Walker Banning

Patent Dates:
Applied: Dec. 09, 1905
Granted: Oct. 23, 1906

Patent Pictures:
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