Granted Patent
Utility
US 5,536,310 · App. 08/320,846
Cementitious compositions containing fly ash
Inventors:
John W. Brook, David F. Factor, Frederick D. Kinney, Celeste L. McCallen, Andrea M. Young
Patented Case
View Patent ↗
Granted: Jul 16, 1996
Filed: Oct 6, 1994
Inventors
John W. Brook
David F. Factor
Frederick D. Kinney
Celeste L. McCallen
Andrea M. Young
Assignee (at issue)
Sandoz AG
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.