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US Patent: 427,821
Combined chuck and bit
Patentee:
James A. Aiken - Jackson, MI

USPTO Classifications:
408/22

Tool Categories:
woodworking machines : machine and tool cutters : cutters

Assignees:
Henry E. Edwards - Jackson, MI

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Nov. 29, 1889
Granted: May 13, 1890

Patent Pictures:
USPTO pdf tiff
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Description:
See patent 476,220.

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