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US Patent: 2,612,805
Locking plate adjusting means for vise beams
Patentee: Robert O. Heinrich (exact or similar names) - Racine, WI USPTO Classifications: 269/167, 269/196 Tool Categories: work holding : vises : vise mechanisms Assignees: None Manufacturer: Heinrich Tools Inc. - Racine, WI Witnesses: Unknown	Patent Dates: Applied: Aug. 10, 1951 Granted: Oct. 07, 1952 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Heinrich Co.
Description: Improvements to the means for advancing, locking, and retracting the sliding jaw of the vises of patents 2,362,067, 2,392,820, and 2,424,313.

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