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US Patent: 2,214,257
Hydraulic Power Unit
Patentee: Edward M. Pfauser (exact or similar names) - Elm Grove, WI USPTO Classifications: 222/382, 222/383.1, 417/440, 417/537, 92/138 Tool Categories: Assignees: Blackhawk Mfg. Co. - Milwaukee, WI Manufacturer: Not known to have been produced Witnesses: none listed	Patent Dates: Applied: Aug. 02, 1937 Granted: Sep. 10, 1940 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Stan Schulz
Description: John W. Michael - patent attorney

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