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All Patents of Type: hydraulic jacks
Patents 1 - 15 of 25
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NumberDatePatenteeTitleType
8,203Jul. 08, 1851R. DudgeonPortable hydraulic presshydraulic jacks
22,713Jan. 25, 1859R. DudgeonHydraulic presshydraulic jacks
38,187Apr. 14, 1863J. TangyeImprovement in hydraulic lifting-jackshydraulic jacks
44,358Sep. 20, 1864T.H. WatsonImprovement in hydraulic jackshydraulic jacks
137,765Apr. 15, 1873R. DudgeonImprovement in hydraulic jackshydraulic jacks
162,044Apr. 13, 1875E.M. DudgeonImprovement in hydraulic jackshydraulic jacks
RE6,786Dec. 07, 1875E.M. DudgeonImprovement in hydraulic jackshydraulic jacks
271,154Jan. 23, 1883J.C. TannerHydraulic jackhydraulic jacks
297,975May 06, 1884R.H. DudgeonHydraulic jackhydraulic jacks
302,070Jul. 15, 1884T.H. WatsonHydraulic jackhydraulic jacks
330,759Nov. 17, 1885H. Traver, J. WeeksHydraulic jackhydraulic jacks
330,760Nov. 17, 1885J. WeeksHydraulic jackhydraulic jacks
334,206Jan. 12, 1886H. Traver, J. WeeksHydraulic jackhydraulic jacks
366,367Jul. 12, 1887J. BaileyHydraulic presshydraulic jacks
RE10,865Sep. 13, 1887R.H. DudgeonHydraulic jackhydraulic jacks
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