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Patent number:
Patent Date:
US Patent: 2,948,363
Telescoping elevators
Patentee:
Fred P. Hopfeld (
exact
or
similar
names) - Chicago, IL
USPTO Classifications:
182/141
,
182/17
,
182/69.4
,
52/118
Tool Categories:
transportation
Assignees:
Grand Specialties Co.
- Chicago, IL
Manufacturer:
Grand Specialties Co.
- Chicago, IL
Witnesses:
Unknown
Patent Dates:
Applied:
Aug. 11, 1955
Granted:
Aug. 09, 1960
Patent Pictures:
USPTO
(New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Grand Specialties Co.
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