Granted Patent
Utility
US 5,603,760 · App. 08/529,392
Cement admixture capable of inhibiting drying shrinkage and method of using same
Inventors:
Neal S. Berke, Michael P. Dallaire, Angel Abelleira
Patented Case
View Patent ↗
Granted: Feb 18, 1997
Filed: Sep 18, 1995
Inventors
Neal S. Berke
Michael P. Dallaire
Angel Abelleira
Assignee (at issue)
W.R. Grace & Co. Conn.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.