Granted Patent
Utility
US 5,009,659 · App. 07/428,885
Fiber tip atherectomy catheter
Inventors:
Robert N. Hamlin, Rick L. Shockey, Robert Tassel
Patented Case
View Patent ↗
Granted: Apr 23, 1991
Filed: Oct 30, 1989
Inventors
Robert N. Hamlin
Rick L. Shockey
Robert Tassel
Assignee (at issue)
Schneider (USA) 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.