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US Patent: 2,113,287
Machine for Grinding and Sharpening Broaches
Patentee:
William G. Baldenhofer (exact or similar names) - Springfield, Clark County, OH

USPTO Classifications:
33/551, 451/14, 451/160, 451/363, 451/364, 451/900

Tool Categories:
metalworking machines : grinders : sharpening machines : broach sharpening machines

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

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

Witnesses:
Unknown

Patent Dates:
Applied: Jun. 14, 1937
Granted: Apr. 05, 1938

Patent Pictures:
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Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Thompson Grinder Co.
Description:
This patent was listed on a Thompson Grinder Co. patent plate.

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