| SIMPLICITY SIMPLICITY ENGINEERING COMPANY
71647550 22 May 1953 | on 14 Aug 1995 | DE-WATERING WHEELS FOR REMOVING WATER FROM SAND, GRAVEL, AND OTHER FRI... Class 023 Class 023 Yarns and Threads THE DRAWING IS LINED FOR RED | | | D'CENTEGRATOR SIMPLICITY ENGINEERING COMPANY
71321443 23 Nov 1931 | on 04 Jan 1993 | CRUSHING MACHINES FOR GRAVEL, COAL, ORE, AND OTHER FRIABLE MATERIALS,C... Class 023 Class 023 Yarns and Threads CRUSHING MACHINES FOR GRAVEL, COAL, ORE, AND OTHER FRIABLE MATERIALS | | | OS-A-VEYOR SIMPLICITY ENGINEERING COMPANY
71573904 15 Feb 1949 | on 03 Nov 1992 | VIBRATING CONVEYORS FOR CONVEYING GRAIN, COAL,SAND, AND POWDERED MATER... Class 023 Class 023 Yarns and Threads VIBRATING CONVEYORS FOR CONVEYING GRAIN, COAL,SAND, AND POWDERED MATERIALS; GYRATORY SCREENS FOR SCREENING SAND, GRAVEL, COAL, AND OTHER FRAGMENTARY MATERIALS; ALSO SHAKE-OUTS FOR SEPARATING AND SHAKING SAND OUT OF CASTINGS OF ALL KINDS | |