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US Patent: 250,186
Bit-stock
Patentee:
Loring J. Baker - Boston, MA

USPTO Classifications:
81/36, 81/68

Tool Categories:
woodworking tools : hand drills : eggbeater drills

Assignees:
Franklin P. Baker - Boston, MA

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Aug. 20, 1881
Granted: Nov. 29, 1881

Patent Pictures:
USPTO pdf tiff
Google Patents
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