Granted Patent
Utility
US 5,948,141 · App. 08/940,716
Method and apparatus for purification of a discharge gas
Inventor:
Mahmoud F. Abdel-Rahman
Patented Case
View Patent ↗
Granted: Sep 7, 1999
Filed: Sep 30, 1997
Inventor
Mahmoud F. Abdel-Rahman
Assignee (at issue)
Hewlett-Packard Company, L.P.
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.