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US Patent: 106,603
Improvement in machines for bending volute springs
Patentee:
Reuben Miller - Pittsburgh, PA

USPTO Classifications:
144/268, 72/155

Tool Categories:
metalworking machines : metal bending machines

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Granted: Aug. 23, 1870

Patent Pictures:
USPTO pdf tiff
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