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US Patent: 2,517,738
Taper Boring Head
Patentee:
Charles Tree - Racine, WI

USPTO Classifications:
125/11.14, 408/180, 82/1.5, 82/16

Tool Categories:
metalworking machines : milling machines : milling machine tools

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
none listed

Patent Dates:
Applied: May 26, 1947
Granted: Aug. 08, 1950

Patent Pictures:
USPTO pdf tiff
Google Patents
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"Vintage Machinery" entry for Tree Tool and Die Works

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