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US Patent: 2,238,968
Hydraulic Jack
Patentee:
Herbert P. Brumder (exact or similar names) - Chenequa, WI

USPTO Classifications:
60/481

Tool Categories:

Assignees:
Blackhawk Mfg. Co. - Milwaukee, WI

Manufacturer:
Not known to have been produced

Witnesses:
none listed

Patent Dates:
Applied: Aug. 15, 1939
Granted: Apr. 22, 1941

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