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All Patents in class 60/481
Patents 1 - 15 of 26
First set of recordsNext set of recordsLast set of records
5,736XDec. 02, 1829D.H. Mason, M.W. BaldwinPress, called Bramah's hydrostatic press
38,187Apr. 14, 1863J. TangyeImprovement in hydraulic lifting-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
219,555Sep. 09, 1879O.C. WoolsonImprovement in hydraulic-power machineshydraulic apparatus
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
369,992Sep. 13, 1887O.H. MechemHydraulic jackhydraulic jacks
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