Granted Patent
Utility
US 5,346,498 · App. 08/008,774
Controller for manipulation of instruments within a catheter
Inventors:
John P. Greelis, Fred R. Tietge
Patented Case
View Patent ↗
Granted: Sep 13, 1994
Filed: Jan 25, 1993
Inventors
John P. Greelis
Fred R. Tietge
Assignee (at issue)
Imagyn Medical, 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.