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US Patent: 703,576
Twisted Auger
Patentee:
Gustav Hallenscheid (exact or similar names) - Ronsdorf, Prussia, Germany

USPTO Classifications:
408/213

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Otto Konig
Fritz Tebers

Patent Dates:
Applied: Aug. 03, 1901
Granted: Jul. 01, 1902

Patent Pictures:
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