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US Patent: 931,327
Drill Chuck
Patentee: Charles W. Manzel (exact or similar names) - Buffalo, NY USPTO Classifications: 279/93 Tool Categories: metalworking machines : drilling and boring : drill presses : drill press chucks Assignees: Mary A. Manzel - Buffalo, NY Manufacturer: Not known to have been produced Witnesses: O. F. Geyer Emma M. Graham Gustav W. Hora Richard Sommer	Patent Dates: Applied: Mar. 13, 1908 Granted: Aug. 17, 1909 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens
Description: Geyer & Popp - patent attorneys

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