Granted Patent
Utility
US 4,329,993 · App. 06/160,600
Catheter with trans-luminal electrical conductor
Inventors:
Clement E. Lieber, Robert P. Cooper, Michael S. Estes
Patented Case
View Patent ↗
Granted: May 18, 1982
Filed: Jun 18, 1980
Inventors
Clement E. Lieber
Robert P. Cooper
Michael S. Estes
Assignee (at issue)
American Hospital Supply Corp.
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.