Granted Patent
Utility
US 6,613,203 · App. 09/950,839
Ion conducting membrane having high hardness and dimensional stability
Inventors:
Alex R. Hobson, Stephen Mackenzie
Patented Case
View Patent ↗
Granted: Sep 2, 2003
Filed: Sep 10, 2001
Inventors
Alex R. Hobson
Stephen Mackenzie
Assignee (at issue)
Gore Enterprise Holdings, 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.