Granted Patent
Utility
US 5,255,690 · App. 07/914,873
Method and apparatus for proximal support of a guide wire during catheter exchange
Inventors:
Peter T. Keith, Thomas V. Ressemann
Patented Case
View Patent ↗
Granted: Oct 26, 1993
Filed: Jul 16, 1992
Inventors
Peter T. Keith
Thomas V. Ressemann
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.