Granted Patent
Utility
US 6,802,965 · App. 10/683,717
Apparatus for removing hydrogen peroxide from spent pickle liquor
Inventors:
Vijay N. Madi, Jerald W. Leeker
Patented Case
View Patent ↗
Granted: Oct 12, 2004
Filed: Oct 10, 2003
Inventors
Vijay N. Madi
Jerald W. Leeker
Assignee (at issue)
AK Steel Corporation
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.