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US Patent: 688,515
Metal Working Machine
Patentee:
Bengt M. W. Hanson (exact or similar names) - Hartford, Hartford County, CT

USPTO Classifications:
409/69, 409/70, 82/136, 82/143, 82/17

Tool Categories:
metalworking machines : milling machines

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

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Nov. 12, 1900
Granted: Dec. 10, 1901

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Pratt, Whitney & Co.

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