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US Patent: 475,949
Drill Stock
Patentee:
Corwin H. Platt - Cleveland, OH

USPTO Classifications:
408/101

Tool Categories:
woodworking tools : hand drills : eggbeater drills

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Oct. 29, 1891
Granted: May 31, 1892

Patent Pictures:
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