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US Patent: 2,334,238
Surface Grinder Spindle Bearing
Patentee:
William G. Baldenhofer - Springfield, Clark County, OH

USPTO Classifications:
451/34

Tool Categories:
metalworking machines : metalworking machine mechanisms : metalworking machine bearings
metalworking machines : grinders : surface grinders

Assignees:
Thompson Grinder Co. - Springfield, Clark County, OH

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Dec. 22, 1941
Granted: Nov. 16, 1943

Patent Pictures:
USPTO pdf tiff
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"Vintage Machinery" entry for Thompson Grinder Co.
Description:
Original application 22 Dec., 1941. Divided and this application 03 Aug., 1942.

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