Granted Patent
Utility
US 5,504,121 · App. 08/331,669
Polyethylene terephthalate decontamination
Inventor:
Simon Michael West
Patented Case
View Patent ↗
Granted: Apr 2, 1996
Filed: Nov 16, 1994
Inventor
Simon Michael West
Assignee (at issue)
Swig Pty Ltd
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.