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US Patent: 38,000
Rifling Machine
Patentee:
George W. Bigelow - New Haven, CT

USPTO Classifications:
409/306, D15/132

Tool Categories:
metalworking machines : rifling machines

Assignees:
H. B. Bigelow - New Haven, CT

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Granted: Mar. 24, 1863

Patent Pictures:
USPTO pdf tiff
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