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US Patent: 854,144
Drill Bit
Patentee:
Peter Broadbooks - Batavia, Genesee County, NY

USPTO Classifications:
408/56

Tool Categories:
metalworking machines : drilling and boring : drill bits : metalworking twist drills

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Aug. 03, 1906
Granted: May 21, 1907

Patent Pictures:
USPTO pdf tiff
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"Vintage Machinery" entry for Broadbooks Tool Co.

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