Granted Patent
Utility
US 4,445,892 · App. 06/375,484
Dual balloon catheter device
Inventors:
Hany M. G. Hussein, Marvin P. Loeb, Harvey S. Weiss
Patented Case
View Patent ↗
Granted: May 1, 1984
Filed: May 6, 1982
Inventors
Hany M. G. Hussein
Marvin P. Loeb
Harvey S. Weiss
Assignee (at issue)
LASERSCOPE
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.