Granted Patent
Utility
US 5,756,541 · App. 08/613,420
Vision through photodynamic therapy of the eye
Inventors:
H. Andrew Strong, Julia G. Levy, Gustav Huber, Mario Fsadni
Patented Case
View Patent ↗
Granted: May 26, 1998
Filed: Mar 11, 1996
Inventors
H. Andrew Strong
Julia G. Levy
Gustav Huber
Mario Fsadni
Assignee (at issue)
QLT PhotoTherapeutices Inc.
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.