Inventor
WALLACE JOHN T
US4 patents
Patents
4 patentsUS6620214B2Sep 16, 2003
Method of making ceramic aggregate particles
3M INNOVATIVE PROPERTIES CO153 citations97
US6521004B1Feb 18, 2003
Method of making an abrasive agglomerate particle
3M INNOVATIVE PROPERTIES CO151 citations97
US6913824B2Jul 5, 2005
Method of making an agglomerate particle
3M INNOVATIVE PROPERTIES CO115 citations96
US7845409B2Dec 7, 2010
Low density proppant particles and use thereof
3M INNOVATIVE PROPERTIES CO48 citations93