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US Patent: 714,894
Relieving Attachment for Lathes
Patentee:
Bengt M. W. Hanson - Hartford, Hartford County, CT

USPTO Classifications:
451/374, 82/17, 82/19

Tool Categories:
metalworking machines : metal lathes : metal lathe accessories

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

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

Witnesses:
F. V. Bartlett
William H. Honiss
H. Mallner
Joseph Merritt

Patent Dates:
Applied: Jan. 15, 1902
Granted: Dec. 02, 1902

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

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