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Patent number:
Patent Date:
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
Patent Pictures:
USPTO
(New site tip)
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Morsell, Lieber & Morsell - patent attorneys
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