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US Patent: 2,300,047
Hydraulically controlled metal hack saw
Patentees: John R. McDonald (exact or similar names) - Milwaukee, WI Frank T. Wruk (exact or similar names) - Racine, WI Otto M. Jensen (exact or similar names) - Racine, WI USPTO Classifications: 60/460, 83/524, 83/647, 91/39, 91/7 Tool Categories: metalworking machines : metal sawing machines : power hacksaws metalworking machines : metalworking machine mechanisms : hydraulic apparatus Assignees: Peerless Machine Co. - Racine, WI Manufacturer: Peerless Machine Co. - Racine, WI Witnesses: Unknown	Patent Dates: Applied: Mar. 02, 1940 Granted: Oct. 27, 1942 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Peerless Machine Co.

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