Granted Patent
Utility
US 6,049,004 · App. 09/209,285
Nitric acid removal from oxidation products
Inventors:
Donald E. Kiely, Glenn Ponder
Patented Case
View Patent ↗
Granted: Apr 11, 2000
Filed: Dec 11, 1998
Inventors
Donald E. Kiely
Glenn Ponder
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.