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US Patent: 987,589
Grinding Machine for Sharpening Edged Tools
Patentee:
Ervin S. Mummert - Hanover, York County, PA

USPTO Classifications:
29/DIG.90, 451/380, 451/450, 451/455, 451/541, 451/65, 451/911, 74/609

Tool Categories:
metalworking machines : grinders : sharpening machines

Assignees:
None

Manufacturer:
Mummert-Dixon Co. - Hanover, York County, PA

Witnesses:
Julius W. Fischer
Paul E. Lau
Howard D. Orr
H. F. Riley

Patent Dates:
Applied: Oct. 16, 1908
Granted: Mar. 21, 1911

Patent Pictures: [ 1 | 2 ]
USPTO pdf tiff
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"Vintage Machinery" entry for Mummert-Dixon Co.

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