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US Patent: 444,161
Bit
Combined Screwdriver, Gimlet & Reamer Bit
Patentee:
Francis J. Roche (exact or similar names) - Somerville, MA

USPTO Classifications:
408/193

Tool Categories:
woodworking tools : hand drills : drill bits : countersinks

Assignees:
Francis J. Roche - Somerville, MA
Raymond Sonia - Somerville, MA
William J. Bourque - Somerville, MA

Manufacturer:
Not known to have been produced

Witnesses:
O. M. Shaw
N. Turner

Patent Dates:
Applied: Aug. 18, 1890
Granted: Jan. 06, 1891

Patent Pictures:
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