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US Patent: 1,513,758
Shaper for Grinding Wheels
Patentee:
Bengt M. W. Hanson - Hartford, Hartford County, CT

USPTO Classifications:
125/11.03, 125/37

Tool Categories:

Assignees:
None

Manufacturer:
Pratt & Whitney Co. - Hartford, Hartford County, CT

Witnesses:
Unknown

Patent Dates:
Applied: Oct. 23, 1920
Granted: Nov. 04, 1924

Patent Pictures:
USPTO pdf tiff
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"Vintage Machinery" entry for Pratt, Whitney & Co.

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