Granted Patent
Utility
US 6,752,811 · App. 09/988,442
Laser-resistant medical retrieval device
Inventors:
Michael S. H. Chu, George Bourne
Patented Case
View Patent ↗
Granted: Jun 22, 2004
Filed: Nov 20, 2001
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.