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US Patent: 876,428
Fluid Pressure Operated Grinding Machine
Patentee: John G. Blessing (exact or similar names) - New Britain, Hartford County, CT USPTO Classifications: 409/163, 409/170, 451/180, 451/182, 451/213, 451/395, 91/358A Tool Categories: metalworking machines : grinders : sharpening machines Assignees: American Cutlery Co. - Chicago, Cook County, IL Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Mar. 16, 1907 Granted: Jan. 14, 1908 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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