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US Patent: 1,575,307
Flexible-shaft bench grinder
Patentee: Alwin B. Bachmann (exact or similar names) - Brooklyn, NY USPTO Classifications: 310/75R, 451/294, 451/340, 451/344, 451/358, 464/53, 474/112 Tool Categories: industrial machines : industrial machine mechanisms : flexible shafts metalworking machines : grinders : sharpening machines : bench or pedestal grinders Assignees: Keller Mechanical Engineering Corp. - Brooklyn, NY Manufacturer: Keller Mechanical Engineering Corp. - Brooklyn, NY Witnesses: Unknown	Patent Dates: Applied: Dec. 28, 1922 Granted: Mar. 02, 1926 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Keller Mechanical Engineering Corp.

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