Granted Patent
Utility
US 5,728,672 · App. 08/690,106
Pine oil hard surface cleaning compositions
Inventor:
Alan F. Richter
Patented Case
View Patent ↗
Granted: Mar 17, 1998
Filed: Aug 1, 1996
Inventor
Alan F. Richter
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.