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US Patent: 85,819
Improvement in grindstone-journal boxes
Patentee:
James L. Haven - Cincinnati, OH

USPTO Classifications:
384/549, 451/342, 451/451

Tool Categories:
metalworking machines : grinders : sharpening machines : bench or pedestal grinders
industrial machines : industrial machine mechanisms : industrial machine bearings

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
James H. Layman
George H. Knight

Patent Dates:
Granted: Jan. 12, 1869

Patent Pictures:
USPTO pdf tiff
Google Patents
Report data errors or omissions
"Vintage Machinery" entry for James L. Haven & Co.

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