Granted Patent
Utility
US 5,267,983 · App. 07/872,787
Enteral adapter and tip protector
Inventors:
Edward G. Oilschlager, Thomas R. Lillegard
Patented Case
View Patent ↗
Granted: Dec 7, 1993
Filed: Apr 22, 1992
Inventors
Edward G. Oilschlager
Thomas R. Lillegard
Assignee (at issue)
Clintec Nutrition 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.