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US Patent: 441,139
Journal-bearing for emery grinding-machines
Patentee:
George G. Crowell - Cincinnati, OH

USPTO Classifications:
384/215, 451/361

Tool Categories:
metalworking machines : grinders : sharpening machines : bench or pedestal grinders

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
John Fravel
Barton Griffith

Patent Dates:
Applied: Sep. 26, 1889
Granted: Nov. 25, 1890

Patent Pictures:
USPTO pdf tiff
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