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US Patent: 1,428,002
Drill Head for Drilling Machines
Patentee: Joseph F. Buhr (exact or similar names) - Detroit, Wayne County, MI USPTO Classifications: 74/665R Tool Categories: metalworking machines : drilling and boring : drill presses : drill press accessories Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Jul. 05, 1917 Granted: Sep. 05, 1922 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Buhr Machine Tool Co.

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