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US Patent: 1,488,736
Clutch Mechanism
Patentee:
Conrad M. Conradson - Madison, Dane County, WI

USPTO Classifications:
192/21, 192/48.611, 192/85.21

Tool Categories:
metalworking machines : metalworking machine mechanisms
propulsion and energy : clutches

Assignees:
Joseph T. Ryerson & Son - Chicago, Cook County, IL

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Oct. 24, 1919
Granted: Apr. 01, 1924

Patent Pictures:
USPTO pdf tiff
Google Patents
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"Vintage Machinery" entry for Joseph T. Ryerson & Son

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