Granted Patent
Utility
US 5,328,463 · App. 07/947,660
Contrast media and fluid introduction system
Inventors:
Thomas J. Barton, Robbin L. Murdoch
Patented Case
View Patent ↗
Granted: Jul 12, 1994
Filed: Sep 18, 1992
Inventors
Thomas J. Barton
Robbin L. Murdoch
Assignee (at issue)
Namic USA Corporation
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.