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US Patent: 3,616,525
Combination shear and press brake machine
Patentee: Lloyd L. Barthel (exact or similar names) - Elk River, MN USPTO Classifications: 29/560, 72/339, 83/701 Tool Categories: metalworking machines : metal shearing machines metalworking machines : sheet metal : sheet metal brakes Assignees: Elk River Machine Co. - Elk River, MN Manufacturer: Elk River Machine Co. - Elk River, MN Witnesses: Unknown	Patent Dates: Applied: Oct. 02, 1969 Granted: Nov. 02, 1971 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Elk River Machine Co.
Description: This patent covers the COMBO press brake and shear as manufactured by Elk River Machine Co.

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