Granted Patent
Utility
US 5,425,367 · App. 07/755,024
Catheter depth, position and orientation location system
Inventors:
Alan R. Shapiro, Donald A. Kay, Clair Strohl
Patented Case
View Patent ↗
Granted: Jun 20, 1995
Filed: Sep 4, 1991
Inventors
Alan R. Shapiro
Donald A. Kay
Clair Strohl
Assignee (at issue)
Navion Biomedical 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.