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US Patent: 2,978,976
Level control for press brakes and the like
Patentees: Carl J. Ostendorf (exact or similar names) - Cincinnati, OH Richard E. Griesheimer (exact or similar names) - Cincinnati, OH Merrill W. Hazelton (exact or similar names) - Cincinnati, OH USPTO Classifications: 100/258A, 100/46, 91/171 Tool Categories: metalworking machines : sheet metal : sheet metal brakes Assignees: Cincinnati Shaper Co. - Cincinnati, OH Manufacturer: Cincinnati Shaper Co. - Cincinnati, OH Witnesses: Unknown	Patent Dates: Applied: Jan. 21, 1959 Granted: Apr. 11, 1961 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Cincinnati Shaper Co.

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