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US Patent: 16,337
Grooving Sheet-Metal
Patentee:
J. J. Laubach - Easton, Northampton County, PA

USPTO Classifications:
72/220

Tool Categories:
metalworking machines : sheet metal

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Granted: Jan. 06, 1857

Patent Pictures:
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