Granted Patent
Utility
US 6,599,369 · App. 09/791,952
Method of treating contaminated HEPA filter media in pulp process
Inventors:
Jian Hu, Mark D. Argyle, Ricky L. Demmer, Emilio P. Mondok
Patented Case
View Patent ↗
Granted: Jul 29, 2003
Filed: Feb 23, 2001
Inventors
Jian Hu
Mark D. Argyle
Ricky L. Demmer
Emilio P. Mondok
Assignee (at issue)
Bachtel BWXT Idaho, LLC
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.