Granted Patent
Utility
US 6,648,963 · App. 10/207,824
Composition for deactivating the surface of concrete or mortar and its process of application
Inventors:
Michel Pasquier, Pierre Colombet, Pierre Cassat
Patented Case
View Patent ↗
Granted: Nov 18, 2003
Filed: Jul 31, 2002
Inventors
Michel Pasquier
Pierre Colombet
Pierre Cassat
Assignee (at issue)
CIMENTS FRANCAIS
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.