Granted Patent
Utility
US 5,476,368 · App. 08/196,388
Sterile fluid pump diaphragm construction
Inventors:
Richard Rabenau, Stephen P. Lisak, Terry B. Kehne, Richard M. Davis
Patented Case
View Patent ↗
Granted: Dec 19, 1995
Filed: Feb 15, 1994
Inventors
Richard Rabenau
Stephen P. Lisak
Terry B. Kehne
Richard M. Davis
Assignee (at issue)
RYDER INTERNATIONAL CO., LTD.
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.