Granted Patent
Utility
US 4,497,324 · App. 06/538,715
Temperature monitoring catheter
Inventors:
Michael D. Sullivan, Robert L. Murtfeldt, Arthur R. Yelsey
Patented Case
View Patent ↗
Granted: Feb 5, 1985
Filed: Oct 3, 1983
Inventors
Michael D. Sullivan
Robert L. Murtfeldt
Arthur R. Yelsey
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.