Granted Patent
Utility
US 4,697,595 · App. 06/697,056
Ultrasonically marked cardiac catheters
Inventors:
Branko Breyer, Ivo Cikes
Patented Case
View Patent ↗
Granted: Oct 6, 1987
Filed: Jan 31, 1985
Inventors
Branko Breyer
Ivo Cikes
Assignee (at issue)
Telectronic SA
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.