Granted Patent
Utility
US 6,293,951 · App. 09/379,972
Lung reduction device, system, and method
Inventors:
Clifton A. Alferness, Richard Y. Lin, Wilfred E. Jaeger
Patented Case
View Patent ↗
Granted: Sep 25, 2001
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.