Granted Patent
Utility
US 5,488,161 · App. 08/220,130
Oximation process
Inventor:
Leroy O. Krbechek
Patented Case
View Patent ↗
Granted: Jan 30, 1996
Filed: Mar 30, 1994
Inventor
Leroy O. Krbechek
Assignee (at issue)
Henkel 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.