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US Patent: 1,918,642
Cylinder Reamer
Patentee: Ernest A. Hall (exact or similar names) - Toledo, Lucas County, OH USPTO Classifications: 222/179.5, 222/189.11, 222/390, 401/131, 401/172 Tool Categories: metalworking machines : drilling and boring : drill bits : reamers trade specific : vehicle repairer : vehicle mechanic : cylinder maintenance Assignees: Hall Manufacturing Co. - Toledo, Lucas County, OH Manufacturer: Hall Manufacturing Co. - Toledo, Lucas County, OH Witnesses: Unknown	Patent Dates: Applied: Feb. 25, 1932 Granted: Jul. 18, 1933 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Hall Manufacturing Co.

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