Granted Patent
Utility
US 6,395,021 · App. 09/303,113
Ureteral stent system apparatus and method
Inventors:
Charles C. Hart, Ralph V. Clayman, John R. Brustad, Frans Vandenbroek, Richard C. Ewers
Patented Case
View Patent ↗
Granted: May 28, 2002
Filed: Apr 30, 1999
Inventors
Charles C. Hart
Ralph V. Clayman
John R. Brustad
Frans Vandenbroek
Richard C. Ewers
Assignee (at issue)
Applied Medical Resources Corporation
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.