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US Patent: 706,049
Variable Speed Device
Patentees:
Bengt M. W. Hanson (exact or similar names) - Hartford, Hartford County, CT
Frederick W. Gordon (exact or similar names) - Hartford, Hartford County, CT

USPTO Classifications:
74/341

Tool Categories:
metalworking machines : metal lathes : engine lathes
metalworking machines : metalworking machine mechanisms : metalworking machine gearing : metalworking speed changing mechanisms

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

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Mar. 24, 1902
Granted: Aug. 05, 1902

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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