Granted Patent
Utility
US 5,454,831 · App. 08/194,744
Occlusive cuff system
Inventor:
James A. McEwen
Patented Case
View Patent ↗
Granted: Oct 3, 1995
Filed: Feb 9, 1994
Inventor
James A. McEwen
Assignee (at issue)
Abatis Medical Technologies Limited
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.