Granted Patent
Utility
US 4,547,192 · App. 06/484,413
Gastroenteric feeding tube
Inventors:
David L. Brodsky, Harry O. Olsen
Patented Case
View Patent ↗
Granted: Oct 15, 1985
Filed: Apr 11, 1983
Inventors
David L. Brodsky
Harry O. Olsen
Assignee (at issue)
Superior Plastic Products Corp.
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.