Granted Patent
Utility
US 4,610,673 · App. 06/703,319
Gastroenteric feeding tube
Inventor:
Ronald D. Russo
Patented Case
View Patent ↗
Granted: Sep 9, 1986
Filed: Feb 19, 1985
Inventor
Ronald D. Russo
Assignee (at issue)
Superior Healthcare Group, 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.