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US Patent: 1,778,579
Brake band drilling attachment
Patentee: Erwin G. Bartel (exact or similar names) - Duluth, MN USPTO Classifications: 408/113, 408/16 Tool Categories: trade specific : vehicle repairer : vehicle mechanic : brake maintenance handheld power tools : handheld power tool accessories Assignees: Erwin G. Bartel - Duluth, MN George B. German - Duluth, MN Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Mar. 22, 1927 Granted: Oct. 14, 1930 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin

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