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US Patent: 152,426
Improvement in pile-sawing apparatus
Patentee:
Thomas Shaw - Philadelphia, PA

USPTO Classifications:
83/743

Tool Categories:
woodworking machines : circular saws

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
William Garwood
W. F. Brey

Patent Dates:
Applied: Nov. 20, 1873
Granted: Jun. 23, 1874

Patent Pictures:
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