Granted Patent
Utility
US 6,071,232 · App. 09/107,158
Apparatus for vein removal
Inventors:
David R. Knighton, Vance D. Fiegel
Patented Case
View Patent ↗
Granted: Jun 6, 2000
Filed: Jun 29, 1998
Inventors
David R. Knighton
Vance D. Fiegel
Assignee (at issue)
Embro Vascular L.L.C.
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.