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Patent number:
Patent Date:
US Patent: 2,831,551
Safety device for lifting jacks
Patentees:
Ira A. Weaver (
exact
or
similar
names) - Springfield, IL
William A. Ross (
exact
or
similar
names) - Springfield, IL
USPTO Classifications:
188/67
,
254/84
,
254/93A
,
92/23
Tool Categories:
trade specific
:
vehicle repairer
:
vehicle mechanic
Assignees:
Weaver Mfg. Co.
- Springfield, IL
Manufacturer:
Weaver Mfg. Co.
- Springfield, IL
Witnesses:
Unknown
Patent Dates:
Applied:
May 06, 1953
Granted:
Apr. 22, 1958
Patent Pictures:
USPTO
(New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Weaver Mfg. Co.
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