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US Patent: 2,138,194
Hydraulic Pump
Patentee:
Edward M. Pfauser (exact or similar names) - Milwaukee, WI

USPTO Classifications:
417/269, 417/307, 417/454, 417/515, 417/521, 91/489, 92/128, 92/71

Tool Categories:
industrial machines : pumps : hydraulic pumps

Assignees:
Blackhawk Mfg. Co. - Milwaukee, WI

Manufacturer:
Not known to have been produced

Witnesses:
none listed
Patent Dates:
Applied: Mar. 11, 1936
Granted: Nov. 29, 1938

Patent Pictures:
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Description:
Brown, Jackson, Boetteker and Dienner - patent attorneys

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