-
Material dispenser
-
Patent number 8,381,420
-
Issue date Feb 26, 2013
-
Samuel M. Hipple
-
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
-
Material dispenser
-
Patent number 8,011,120
-
Issue date Sep 6, 2011
-
Samuel M. Hipple
-
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES