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Patent number:
Patent Date:
US Patent: 680,730
Lifting-jack
Patentee:
William H. Oliver (
exact
or
similar
names) - Chicago, IL
USPTO Classifications:
254/95
,
74/155
Tool Categories:
material handling
:
jacks
:
vehicle jacks
:
automobile and truck jacks
Assignees:
None
Manufacturer:
U. S. Jack Co.
- Chicago, IL
Witnesses:
F. A. Hopkins
Edna B. Johnson
Patent Dates:
Applied:
Aug. 09, 1900
Granted:
Aug. 20, 1901
Patent Pictures:
USPTO
(New site tip)
Google Patents
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Wrench Wiki page on US Jack Co.
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