Granted Patent
Utility
US 5,700,768 · App. 08/519,133
Floor cleaning compositions
Inventor:
Robert Zhong Lu
Patented Case
View Patent ↗
Granted: Dec 23, 1997
Filed: Aug 24, 1995
Inventor
Robert Zhong Lu
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.