Granted Patent
Utility
US 4,681,104 · App. 06/842,070
Apparatus for focusing an intravascular laser catheter
Inventor:
William Edelman
Patented Case
View Patent ↗
Granted: Jul 21, 1987
Filed: Mar 20, 1986
Inventor
William Edelman
Assignee (at issue)
Shiley Incorporated
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.