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US Patent: 1,279,025
Tool Holder
Patentee:
Ralph H. Shay (exact or similar names) - Detroit, Wayne County, MI

USPTO Classifications:
451/367

Tool Categories:
metalworking machines : grinders : sharpening machines : sharpening tool holders

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Dec. 03, 1917
Granted: Sep. 17, 1918

Patent Pictures:
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