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US Patent: 325,373
Drill-grinding attachment for drilling-machines
Patentee:
Edward J. Worcester - Worcester, MA

USPTO Classifications:
451/294, 451/415

Tool Categories:
woodworking machines : wood drilling and boring : woodworking post drills

Assignees:
Asa Goddard - Worcester, MA
George Burnham - Worcester, MA

Manufacturer:
George Burnham Co. - Worcester, MA

Witnesses:
George E. Smith
Rufus B. Fowler

Patent Dates:
Applied: Jan. 30, 1884
Granted: Sep. 01, 1885

Patent Pictures:
USPTO pdf tiff
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"Vintage Machinery" entry for George Burnham Co.

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