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All Patents in class 425/444
Patents 1 - 11 of 11
First set of recordsLast set of records
NumberDatePatenteeTitleType
6,027XJun. 10, 1830J. WillardBrick press bridlebrick maker
8,652XFeb. 20, 1835P. SweetBrick strikerbricklayer
9,291XDec. 15, 1835U. WardMachine for pressing and delivering brickbrick and tile making machines
5,605May 30, 1848R. WilsonBrick Machinebrick maker
63,057Mar. 19, 1867P.H. KellsImproved brick-machinemanufacturing bricks and tiles
1,560,117Nov. 03, 1925F.E. StevensonMolding Press hydraulic presses
2,306,316Dec. 22, 1942L.F. MarshDie structure for injection molding machinesplastic molding machines
3,184,810May 25, 1965J.H. HoernDie casting and pressure molding machinesfoundryman
3,222,717Dec. 14, 1965R.P. Hyland, S. SaslawskyBlow molding systemblow molding machines
3,599,279Aug. 17, 1971D.I. McDonaldClamping Mechanismcoolant apparatus
3,868,201Feb. 25, 1975R.A. Jackson, B.F. JanesPowdered metal pressmetalworking machines
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