Granted Patent
Utility
US 6,699,232 · App. 09/797,473
Fluid injection apparatus with improved contrast visualization
Inventors:
Colin Hart, Valerie Castora
Patented Case
View Patent ↗
Granted: Mar 2, 2004
Filed: Mar 1, 2001
Inventors
Colin Hart
Valerie Castora
Assignee (at issue)
Scimed Life Systems, 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.