Granted Patent
Utility
US 5,843,390 · App. 08/786,589
Method of using a catalytic filter
Inventors:
Marc Plinke, Robert L. Sassa, William P. Mortimer, Jr., Glenn A. Brinckman
Patented Case
View Patent ↗
Granted: Dec 1, 1998
Filed: Jan 21, 1997
Inventors
Marc Plinke
Robert L. Sassa
William P. Mortimer, Jr.
Glenn A. Brinckman
Assignee (at issue)
W. L. Gore & Associates, Inc.
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.