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US Patent: 2,347,272
Sheet metal working press
Patentee: William F. Longfield (exact or similar names) - Cleveland, OH USPTO Classifications: 72/345, 72/358 Tool Categories: metalworking machines : metalworking presses : stamping presses metalworking machines : sheet metal : stamping presses Assignees: Cleveland Punch & Shear Works Co. - Cleveland, OH Manufacturer: Cleveland Punch & Shear Works Co. - Cleveland, OH Witnesses: Unknown	Patent Dates: Applied: Jun. 05, 1941 Granted: Apr. 25, 1944 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
Description: This patent is a companion to patent 2,283,505, covering a blank holder that is operated by the reciprocation of the press slide.

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