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US Patent: 1,955,182
Suction Device for Cylinder Boring Machines
Patentee: Ernest A. Hall (exact or similar names) - Toledo, Lucas County, OH USPTO Classifications: 42/148 Tool Categories: specialty machines : dust collectors 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: Oct. 19, 1932 Granted: Apr. 17, 1934 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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