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US Patent: 101,339
Improved shearing and punching machine
Patentee:
Thomas H. Witherby - Worcester, MA

USPTO Classifications:
83/618

Tool Categories:
metalworking machines : metal shears
metalworking machines : metal punches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
G. Mathys
B. F. James

Patent Dates:
Granted: Mar. 29, 1870

Patent Pictures:
USPTO pdf tiff
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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.

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