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US Patent: 123,562
Improvement in lubricating-boxes and bearings for upright shafts
Patentee:
Jonathan P. Grosvenor - 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:
J. N. Marshall
D. Hall Rice

Patent Dates:
Granted: Feb. 13, 1872

Patent Pictures:
USPTO pdf tiff
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