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US Patent: 877,592
Head for Boring-Bits
Patentees:
William Gale Parry - Peterborough, ON Canada
Patrick Joseph Creedon - Peterborough, ON Canada

USPTO Classifications:
408/208, 408/213, 408/223

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
G. N. Gordon
E. Mathieson

Patent Dates:
Applied: Sep. 09, 1907
Granted: Jan. 28, 1908

Patent Pictures: [ 1 | 2 ]
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