Granted Patent
Utility
US 6,561,998 · App. 09/056,589
Transluminal devices, systems and methods for enlarging interstitial penetration tracts
Inventors:
Alex T. Roth, J. Christopher Flaherty, Adrian E. Johnson, Joshua Makower, Jason B. Whitt
Patented Case
View Patent ↗
Granted: May 13, 2003
Filed: Apr 7, 1998
Inventors
Alex T. Roth
J. Christopher Flaherty
Adrian E. Johnson
Joshua Makower
Jason B. Whitt
Assignee (at issue)
TransVascular, 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.