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US Patent: 761,573
Drilling Machine Attachment
Patentee: Joseph P. Barnes (exact or similar names) - Rockford, Winnebago County, IL USPTO Classifications: 408/43 Tool Categories: Assignees: W. F. & John Barnes Co. - Rockford, Winnebago County, IL Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Nov. 25, 1903 Granted: May 31, 1904 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for W. F. & John Barnes Co.

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