Granted Patent
Utility
US 6,485,407 · App. 09/780,232
Tissue resection device, system and method
Inventors:
Clifton A. Alferness, Hugo X. Gonzalez
Patented Case
View Patent ↗
Granted: Nov 26, 2002
Filed: Feb 9, 2001
Inventors
Clifton A. Alferness
Hugo X. Gonzalez
Assignee (at issue)
Spiration, 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.