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US Patent: 2,277,256
Hydraulic Apparatus
Patentee: Edward Pfauser (exact or similar names) - Elm Grove, WI USPTO Classifications: 417/238, 417/440, 60/481 Tool Categories: Assignees: Blackhawk Mfg. Co. - Milwaukee, WI Manufacturer: Not known to have been produced Witnesses: none listed	Patent Dates: Applied: Apr. 04, 1936 Granted: Mar. 24, 1942 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Stan Schulz
Description: Brown, Jackson, Boetteker and Dienner - patent attorneys

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