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US Patent: 1,652,401
Electric drill Air cooling for electric drill
Patentee: Frithiof P. Forss (exact or similar names) - Aurora, IL USPTO Classifications: 172/36, 310/62 Tool Categories: handheld power tools : handheld power drills Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Jan. 05, 1925 Granted: Dec. 13, 1927 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin

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