Granted Patent
Utility
US 5,380,454 · App. 08/089,232
Low temperature non-caustic oven cleaning composition
Inventors:
Ronald G. Griepenburg, William Feuer, James Feng
Patented Case
View Patent ↗
Granted: Jan 10, 1995
Filed: Jul 9, 1993
Inventors
Ronald G. Griepenburg
William Feuer
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.