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Patent number:
Patent Date:
US Patent: RE11,051
Lifting-jack
Patentee:
Josiah Barrett (
exact
or
similar
names) - Allegheny, PA
USPTO Classifications:
254/111
Tool Categories:
metalworking tools
:
lifting jacks
Assignees:
None
Manufacturer:
Duff Mfg. Co., Ltd.
- Allegheny, PA
Witnesses:
F. G. Kay
J. N. Cooke
Patent Dates:
Applied:
Mar. 12, 1889
Granted:
Dec. 31, 1889
Reissue Information:
Reissue of
399,470
(Mar. 12, 1889)
Patent Pictures:
USPTO
(New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Duff Mfg. Co.
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