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US Patent: 1,104,863
Grinding-tool for gas-engine valves
Patentee:
Chester L. Baldwin - Almond, WI

USPTO Classifications:
451/117, 74/89.45, 82/150

Tool Categories:

Assignees:
Merle Casey - Almond, WI

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Jul. 30, 1913
Granted: Jul. 28, 1914

Patent Pictures:
USPTO pdf tiff
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