Granted Patent
Utility
US 6,328,689 · App. 09/534,244
Lung constriction apparatus and method
Inventors:
Hugo X. Gonzalez, Diane M. Muff, William A. Sirokman
Patented Case
View Patent ↗
Granted: Dec 11, 2001
Filed: Mar 23, 2000
Inventors
Hugo X. Gonzalez
Diane M. Muff
William A. Sirokman
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.