Granted Patent
Utility
US 4,770,787 · App. 07/013,355
Method of operating a fluid flow transfer device
Inventors:
Gary B. Heath, William G. Palsulich, Keith Manica, Jack C. Swan, Jr.
Patented Case
View Patent ↗
Granted: Sep 13, 1988
Filed: Feb 11, 1987
Inventors
Gary B. Heath
William G. Palsulich
Keith Manica
Jack C. Swan, Jr.
Assignee (at issue)
Cobe Laboratories, 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.