Granted Patent
Utility
US 4,823,833 · App. 06/648,630
Fluid communication device
Inventors:
Lawrence R. Hogan, Herbert Mittleman, Edward G. Oilschlager, Ellen Rouch, William L. Rudzena
Patented Case
View Patent ↗
Granted: Apr 25, 1989
Filed: Sep 11, 1984
Inventors
Lawrence R. Hogan
Herbert Mittleman
Edward G. Oilschlager
Ellen Rouch
William L. Rudzena
Assignee (at issue)
Baxter Healthcare 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.