Granted Patent
Utility
US 6,511,468 · App. 09/387,274
Device and method for controlling injection of liquid embolic composition
Inventors:
Andrew H. Cragg, Blair D. Walker, John Perl, II, Michael L. Jones, George R. Greene, Jr., George Wallace, Richard J. Greff
Patented Case
View Patent ↗
Granted: Jan 28, 2003
Filed: Aug 31, 1999
Inventors
Andrew H. Cragg
Blair D. Walker
John Perl, II
Michael L. Jones
George R. Greene, Jr.
George Wallace
Richard J. Greff
Assignee (at issue)
Micro Therapeutics
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.