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US Patent: 2,851,996
Hydraulic Control Valve for Machine Tools
Patentee: William S. Bunnell (exact or similar names) - La Grange Park, Cook County, IL USPTO Classifications: 137/625.6, 91/281 Tool Categories: metalworking machines : metalworking machine mechanisms : hydraulic apparatus Assignees: Boyar-Schultz Corp. - Broadview, Cook County, IL Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: May 18, 1955 Granted: Sep. 16, 1958 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Boyar-Schultz Corp.

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