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US Patent: 1,407,348
Drill
Patentee: Otto F. Heer (exact or similar names) - Ontario, San Bernardino County, CA USPTO Classifications: 408/8782 Tool Categories: metalworking machines : drilling and boring : portable metal drilling machines Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Mar. 30, 1920 Granted: Feb. 21, 1922 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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