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US Patent: 800,570
Compensating Bearing
Patentee: James Hartness (exact or similar names) - Springfield, Windsor County, VT USPTO Classifications: 384/223 Tool Categories: metalworking machines : metalworking machine mechanisms : metalworking machine bearings Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Apr. 13, 1903 Granted: Sep. 26, 1905 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Jones, Lamson & Co.

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