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US Patent: 664,512
Chaser Grinding Machine
Patentee:
Jacob B. Wallace - Erie, Erie County, PA

USPTO Classifications:
451/369

Tool Categories:
metalworking machines : grinders : sharpening machines

Assignees:
None

Manufacturer:
Modern Tool Co. - Erie, Erie County, PA

Witnesses:
R. F. Lanza
H. C. Lord
George E. Shafer

Patent Dates:
Applied: May 15, 1900
Granted: Dec. 25, 1900

Patent Pictures:
USPTO pdf tiff
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"Vintage Machinery" entry for Modern Tool Co.

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