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US Patent: 2,077,894
Surge control valve for hydraulic presses
Patentee: Isaac Patrick (exact or similar names) - Salem, OH USPTO Classifications: 60/461, 60/468, 60/469, 91/318, 91/420, 91/441, 91/451 Tool Categories: metalworking machines : metalworking presses : hydraulic metalworking presses Assignees: E. W. Bliss Co. - Toledo, OH Manufacturer: E. W. Bliss Co. - Brooklyn, NY Witnesses: Unknown	Patent Dates: Applied: Aug. 13, 1934 Granted: Apr. 20, 1937 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for E. W. Bliss Co.

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