Granted Patent
Utility
US 6,575,971 · App. 10/000,992
Cardiac valve leaflet stapler device and methods thereof
Inventors:
Wallace Hauck, Samuel Victor Lichtenstein, Hosheng Tu
Patented Case
View Patent ↗
Granted: Jun 10, 2003
Filed: Nov 15, 2001
Inventors
Wallace Hauck
Samuel Victor Lichtenstein
Hosheng Tu
Assignee (at issue)
Quantumcor, 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.