Granted Patent
Utility
US 5,423,979 · App. 08/318,988
Liquid decontamination apparatus
Inventor:
Judith L. Allen
Patented Case
View Patent ↗
Granted: Jun 13, 1995
Filed: Oct 6, 1994
Inventor
Judith L. Allen
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.