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Patent number:
Patent Date:
US Patent: 302,070
Hydraulic jack
Patentee:
Thomas H. Watson (
exact
or
similar
names) - Brooklyn, NY
USPTO Classifications:
417/443
,
417/552
,
60/481
Tool Categories:
material handling
:
jacks
:
hydraulic jacks
Assignees:
Francis H. Stillman
- Brooklyn, NY
Thomas H. Watson
- Brooklyn, NY
Manufacturer:
Not known to have been produced
Witnesses:
Alfred H. Davis
Edgar Tate
Patent Dates:
Applied:
Dec. 26, 1883
Granted:
Jul. 15, 1884
Patent Pictures:
USPTO
(New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
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