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US Patent: 518,262
Boring-machine
Patentees:
Albert S. Cortright - Indianapolis, IN
Charles W. Meggenhofen - Franklin, IN

USPTO Classifications:
408/25, 408/67

Tool Categories:
woodworking tools : hand drills : drill bits
woodworking machines : wood drilling and boring : wood drill bits
metalworking machines : drilling and boring : drill bits

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
James A. Walsh
Chester Bradford

Patent Dates:
Applied: Jul. 31, 1893
Granted: Apr. 17, 1894

Patent Pictures:
USPTO pdf tiff
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