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US Patent: 705,226
Grinding-machine
Patentee: Joel Ettinger (exact or similar names) - Chester, PA USPTO Classifications: 451/273, 451/374 Tool Categories: metalworking machines : grinders : sharpening machines : cutter grinding machines metalworking machines : grinders : tool grinders Assignees: Ettinger Machine Co., Ltd. - Chester, PA Manufacturer: Ettinger Machine Co., Ltd. - Chester, PA Samuel J. Shimer & Sons - Milton, PA Witnesses: Joseph Angstadt William C. Miller	Patent Dates: Applied: May 03, 1902 Granted: Jul. 22, 1902 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Ettinger Machine Co., Ltd. Vintage Machinery entry for Samuel J. Shimer & Sons
Description: Grinder adapted for grinding or sharpening bits used for cutting the tongues and grooves on wood boards.

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