Granted Patent
Utility
US 6,033,397 · App. 08/717,994
Method and apparatus for treating esophageal varices
Inventors:
Michael D. Laufer, Brian E. Farley
Patented Case
View Patent ↗
Granted: Mar 7, 2000
Filed: Sep 26, 1996
Inventors
Michael D. Laufer
Brian E. Farley
Assignee (at issue)
VNUS Medical Technologies, 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.