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US Patent: 721,639
Bench-vise
Patentee: Frederick J. Wermes (exact or similar names) - Cincinnati, OH USPTO Classifications: 269/222, 427/363, 427/365, 427/369, 427/382, 427/414, 427/416, 428/486 Tool Categories: work holding : vises : bench vises Assignees: None Manufacturer: Not known to have been produced Witnesses: William H. Berling Alexander Raebling	Patent Dates: Applied: Sep. 25, 1902 Granted: Feb. 24, 1903 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin
Description: Geared dual-screw vise. The design is intended to provide stronger holding power and keep the jaws parallel.

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