Granted Patent
Utility
US 4,598,707 · App. 06/622,950
Medical tube with inflation cuff
Inventors:
Ronald T. Agdanowski, James A. Geil
Patented Case
View Patent ↗
Granted: Jul 8, 1986
Filed: Jun 21, 1984
Inventors
Ronald T. Agdanowski
James A. Geil
Assignee (at issue)
Sherwood Medical Company
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.