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US Patent: 123,562
Improvement in lubricating-boxes and bearings for upright shafts
Patentee: Jonathan P. Grosvenor (exact or similar names) - Lowell, MA USPTO Classifications: 384/243 Tool Categories: woodworking machines : woodworking machine parts or accessories : woodworking machine lubrication Assignees: None Manufacturer: Not known to have been produced Witnesses: D. Hall Rice J. N. Marshall	Patent Dates: Granted: Feb. 13, 1872 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin

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