Granted Patent
Utility
US 5,929,007 · App. 08/837,920
Alkaline aqueous hard surface cleaning compositions
Inventor:
James Feng
Patented Case
View Patent ↗
Granted: Jul 27, 1999
Filed: Apr 11, 1997
Inventor
James Feng
Assignee (at issue)
Reckitt & Colman Limited
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.