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US Patent: 632,560
Chuck
Tool-Stock Chuck
Patentee:
Zachry T. Furbish - Philadelphia, PA

USPTO Classifications:
279/82

Tool Categories:
tool holders
woodworking tools : hand drills : drill chucks

Assignees:
North Brothers Manufacturing Co. - Philadelphia, PA

Manufacturer:
Not known to have been produced

Witnesses:
Will. A. Barr
Jos. H. Klein

Patent Dates:
Applied: Jun. 14, 1898
Granted: Sep. 05, 1899

Patent Pictures:
USPTO pdf tiff
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