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All Patents in class 137/599.01
Patents 1 - 4 of 4
First set of recordsLast set of records
NumberDatePatenteeTitleType
17,433Jun. 02, 1857L.J. KnowlesFaucet
221,479Nov. 11, 1879F.N. Trevor, W.W. TrevorJunction Service-Boxes for Street Steam Mainssteam heating
417,653Dec. 17, 1889J.B. StanwoodSteam-enginesteam engine valve gear
2,224,377Dec. 10, 1940G.H. ClarkRefrigerating Apparatusrefrigeration apparatus
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