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Patent number:
Patent Date:
US Patent: 737,655
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:
M. B. Allstadt
F. A. Hopkins
Patent Dates:
Applied:
Oct. 02, 1902
Granted:
Sep. 01, 1903
Patent Pictures:
USPTO
(New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Wrench Wiki page on US Jack Co.
Description:
Improvements to the inventor's earlier patent
680,730
to avoid a sudden fall when the lever was pushed too far.
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