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US Patent: 680,724
Duplex Centering Machine
Patentees: Fleming W. Mussetter (exact or similar names) - Chicago Heights, Cook County, IL James McCarthy (exact or similar names) - Chicago Heights, Cook County, IL William W. Holmes (exact or similar names) - Chicago, Cook County, IL USPTO Classifications: 74/840 Tool Categories: metalworking machines : drilling and boring : center drilling machines Assignees: Q. & C. Co. - Chicago, Cook County, IL Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Jan. 23, 1899 Granted: Aug. 20, 1901 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Q. & C. Co.

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