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Patents for Walter J. F. Liddell
Patents 1 - 15 of 26
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NumberDatePatenteeTitleType
27,411Mar. 06, 1860W.J. LiddellCar-spring
124,212Mar. 05, 1872W.J. LiddellImprovement in horse-powersanimal powered apparatus
154,057Aug. 11, 1874W.J. LiddellImprovement in horse-powersanimal powered apparatus
174,139Feb. 29, 1876W.J. LiddellImprovement in furnaces for portable boilersportable boilers
214,046Apr. 08, 1879W.J. LiddellImprovement in presses for cotton, hay, &c.cotton presses
220,160Sep. 30, 1879W.J. LiddellImprovement in compound enginessteam engines
238,935Mar. 15, 1881W.J. LiddellPiston-packingpiston ring and packing
238,936Mar. 15, 1881W.J. LiddellHead-block for saw-millssawmill headblocks
240,031Apr. 12, 1881W.J. LiddellStraw-burning furnaceindustrial furnaces
241,384May 10, 1881W.J. LiddellHay and cotton presscotton presses
271,482Jan. 30, 1883W.J. LiddellMethod of setting steam-boilersstationary boilers
272,718Feb. 20, 1883W.J. LiddellPortable presshay or straw presses
272,719Feb. 20, 1883W.J. LiddellHay and cotton presscotton presses
274,129Mar. 20, 1883W.J. LiddellCircular saw millcircular sawmills
274,794Mar. 27, 1883W.J. LiddellShaft-hangerindustrial machine shaft hangers
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