Granted Patent
Utility
US 6,368,328 · App. 09/398,322
Laser-resistant medical retrieval device
Inventors:
Michael S. H. Chu, George Bourne
Patented Case
View Patent ↗
Granted: Apr 9, 2002
Filed: Sep 16, 1999
Inventors
Michael S. H. Chu
George Bourne
Assignee (at issue)
Scimed Life Systems, 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.