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US Patent: 2,538,997
Fluid clutch with pressure booster
Patentee: John N. Weiland (exact or similar names) - Cleveland, OH USPTO Classifications: 188/152, 188/365, 192/17A, 192/85.47, 192/85.63 Tool Categories: metalworking machines : metalworking machine mechanisms : metalworking power transmission metalworking machines : sheet metal : stamping presses metalworking machines : metalworking presses : stamping presses Assignees: Cleveland Punch & Shear Works Co. - Cleveland, OH Manufacturer: Cleveland Punch & Shear Works Co. - Cleveland, OH Witnesses: Unknown	Patent Dates: Applied: Oct. 07, 1947 Granted: Jan. 23, 1951 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Cleveland Punch & Shear Works

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