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US Patent: 1,657,434
Circular Feeding Attachment
Patentee:
Robert T. Hazelton - Cincinnati, Hamilton County, OH

USPTO Classifications:
144/135.3, 409/328, 409/344, 74/813R

Tool Categories:
metalworking machines : metal shapers : metal shaper accessories

Assignees:
Cincinnati Shaper Co. - Cincinnati, Hamilton County, OH

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Sep. 02, 1924
Granted: Jan. 24, 1928

Patent Pictures:
USPTO pdf tiff
Google Patents
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"Vintage Machinery" entry for Cincinnati Shaper Co.

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