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US Patent: 640,669
Grinding-machine
Patentee: Abraham B. Landis (exact or similar names) - Waynesboro, PA USPTO Classifications: 29/DIG.088, 409/900.2, 451/10, 451/11, 451/340, 451/342, 451/451 Tool Categories: metalworking machines : grinders Assignees: None Manufacturer: Landis Tool Co. - Waynesboro, PA Witnesses: George H. Russell J. R. Wolfkill	Patent Dates: Applied: Oct. 14, 1899 Granted: Jan. 02, 1900 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Landis Tool Co.
Description: Improvements to patents 483,288 and 544,439.

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