Granted Patent
Utility
US 5,584,876 · App. 08/235,071
Cell excluding sheath for vascular grafts
Inventors:
William C. Bruchman, Anita Jean Switzer
Patented Case
View Patent ↗
Granted: Dec 17, 1996
Filed: Apr 29, 1994
Inventors
William C. Bruchman
Anita Jean Switzer
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.