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US Patent: 3,841,140
Control system for press brakes and the like
Patentee: John F. Hryc (exact or similar names) - Chicago, IL USPTO Classifications: 100/256, 72/21.2, 72/441, 72/443 Tool Categories: metalworking machines : sheet metal : sheet metal brakes Assignees: Dreis & Krump Mfg. Co. - Chicago, IL Manufacturer: Dreis & Krump Mfg. Co. - Chicago, IL Witnesses: Unknown	Patent Dates: Applied: Dec. 18, 1972 Granted: Oct. 15, 1974 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Dreis & Krump Mfg. Co.

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