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All Patents in class 91/183
Patents 1 - 6 of 6
First set of recordsLast set of records
NumberDatePatenteeTitleType
9,078Jun. 29, 1852P.M. Hutton, H.R. RemsenLocomotive-Enginerailroad locomotives
28,242May 08, 1860J. RandallReciprocating Steam Enginesteam engines
90,128May 18, 1869P. ShawHot Air Enginehot air engines
434,497Aug. 19, 1890J. BairdSteam Enginesteam engines
778,315Dec. 27, 1904T.D. Ulrich, E. HuberSuperheater for Traction Enginestraction engine superheaters
2,951,342Sep. 06, 1960H.E. Boyer, N.V. Gusching, W.H. Ulman, D.E. LundeenElectro-hydraulic servo system
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