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US Patent: 4,924
Spinning Sheet Metal
Patentee:
Alonzo Heaton - Irving, Chautauqua County, NY

USPTO Classifications:
72/85

Tool Categories:
metalworking machines : sheet metal

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Granted: Jan. 13, 1847

Patent Pictures:
USPTO pdf tiff
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