US Patent: 101,339 - Improved shearing and punching machine


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US Patent: 101,339

Improved shearing and punching machine

Patentee:

Thomas H. Witherby (exact or similar names) - Worcester, MA

USPTO Classifications:

83/618

Tool Categories:

metalworking machines

metalworking machines : metal punching machines

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

G. Mathys

B. F. James

Patent Dates:
Granted:	Mar. 29, 1870

Patent Pictures:

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Description:

Inventor T. H. Witherby was a maker of edge tools, especially chisels. He was 68 years old when this patent was issued, and was long out of the edge tool business.