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US Patent: 728,572
Fluid Pressure Operated Chuck
Patentee:
Bengt M. W. Hanson (exact or similar names) - Hartford, Hartford County, CT

USPTO Classifications:
279/146, 279/4.08, 279/51, 451/398, 92/108

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

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

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Jan. 20, 1902
Granted: May 19, 1903

Patent Pictures:
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Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Pratt, Whitney & Co.

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