Inventor
SCHMIDT JOSEPH MICHAEL
US3 patents
Patents
3 patentsUS7078360B2Jul 18, 2006
High durability refractory composition
SPECIALTY MINERALS MICHIGAN12 citations77
US6926851B2Aug 9, 2005
Method, composition and apparatus for controlled concrete
SPECIALTY MINERALS MICHIGAN11 citations66
US7666334B2Feb 23, 2010
Method, composition and apparatus for controlled concrete
SPECIALTY MINERALS MICHIGAN4 citations54