Granted Patent
Utility
US 6,416,554 · App. 09/379,973
Lung reduction apparatus and method
Inventors:
Clifton A. Alferness, Richard Y. Lin, Wilfred E. Jaeger
Patented Case
View Patent ↗
Granted: Jul 9, 2002
Filed: Aug 24, 1999
Inventors
Clifton A. Alferness
Richard Y. Lin
Wilfred E. Jaeger
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.