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US Patent: 158,958
Combined Drills, Countersinks and Planers
Patentee:
William McCrosson (exact or similar names) - Philadelphia, PA

USPTO Classifications:
408/224

Tool Categories:
woodworking tools : hand drills : drill bits : countersinks
metalworking tools : machinist tools : metal scrapers

Assignees:
S. C. Bachman - Philadelphia, PA

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Dec. 24, 1874
Granted: Jan. 19, 1875

Patent Pictures:
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