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US Patent: 4,170,124
Hydraulic control system for press brakes and the like
Patentee: Robert MacGregor (exact or similar names) - Blue Island, IL USPTO Classifications: 60/421, 72/389.3, 72/441, 72/446, 72/453.18, 92/146 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: Oct. 09, 1975 Granted: Oct. 09, 1979 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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