Granted Patent
Utility
US 4,617,019 · App. 06/655,853
Catheter
Inventors:
David C. Fecht, Thomas W. Davison
Patented Case
View Patent ↗
Granted: Oct 14, 1986
Filed: Sep 28, 1984
Inventors
David C. Fecht
Thomas W. Davison
Assignee (at issue)
Sherwood Medical Company
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.