Granted Patent
Utility
US 6,454,744 · App. 09/470,693
Peelable PTFE sheaths and methods for manufacture of same
Inventors:
Peter Dwight Spohn, Dean Dinsmore
Patented Case
View Patent ↗
Granted: Sep 24, 2002
Filed: Dec 23, 1999
Inventors
Peter Dwight Spohn
Dean Dinsmore
Assignee (at issue)
TFX Medical, 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.