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US Patent: 1,315,449
Shaper-feed
Patentee:
Frank B. Yingling - Hamilton, OH

USPTO Classifications:
409/327, 74/151

Tool Categories:
metalworking machines : metal shapers

Assignees:
None

Manufacturer:
Columbia Machine Tool Co. - Hamilton, OH

Witnesses:
M. S. Belden
John D. Andrews

Patent Dates:
Applied: Nov. 15, 1918
Granted: Sep. 09, 1919

Patent Pictures:
USPTO pdf tiff
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Description:
The inventor founded machine-tool maker Columbia Machine Tool Company on Fair Grove Avenue, Hamilton, in 1910.

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