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US Patent: 157,034
Machines for Enlarging the Bore of Gun-Barrels
Patentee:
William D. Squires - Sioux City, Woodbury County, IA

USPTO Classifications:
408/16, 408/168, 409/306, 42/78

Tool Categories:
metalworking machines : drilling and boring : horizontal boring mills

Assignees:
William D. Squires - Sioux City, Woodbury County, IA
John L. Kerr - Allegheny, PA

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Jul. 18, 1874
Granted: Nov. 17, 1874

Patent Pictures:
USPTO pdf tiff
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