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US Patent: 1,372,045
Valve grinder
Patentee:
Russell G. Sedgewick - Toronto, ON Canada

USPTO Classifications:
310/83, 408/117, 408/28, 451/117, 74/70, 74/75, 74/81

Tool Categories:
specialty tools : handheld power tools
trade specific : automobile mechanic
woodworking machines : handheld power tools

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Oct. 01, 1919
Granted: Mar. 22, 1921

Patent Pictures:
USPTO pdf tiff
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