Granted Patent
Utility
US 6,436,116 · App. 09/444,925
Methods and apparatus for removing veins
Inventors:
Gregory A. Spitz, Douglas D. Sjostrom, Alexander Grinberg, Michael A. Long
Patented Case
View Patent ↗
Granted: Aug 20, 2002
Filed: Nov 24, 1999
Inventors
Gregory A. Spitz
Douglas D. Sjostrom
Alexander Grinberg
Michael A. Long
Assignee (at issue)
SMITH & NEPHEW, 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.