Granted Patent
Utility
US 6,663,821 · App. 10/382,412
Bistable microvalve and microcatheter system
Inventor:
Kirk Patrick Seward
Patented Case
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Granted: Dec 16, 2003
Filed: Mar 5, 2003
Inventor
Kirk Patrick Seward
Assignee (at issue)
THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
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.