Granted Patent
Utility
US 5,902,310 · App. 08/802,958
Apparatus and method for marking tissue
Inventors:
Seth A. Foerster, Mark A. Cole, Eugene Reu, Mark A. Ritchart, John Wardle
Patented Case
View Patent ↗
Granted: May 11, 1999
Filed: Feb 21, 1997
Inventors
Seth A. Foerster
Mark A. Cole
Eugene Reu
Mark A. Ritchart
John Wardle
Assignee (at issue)
Ethicon Endo-Surgery, 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.