Granted Patent
Utility
US 5,087,256 · App. 07/593,790
Thermal atherectomy device
Inventors:
James M. Taylor, Eric L. Gay, Mark J. Cowell, David F. Wirt
Patented Case
View Patent ↗
Granted: Feb 11, 1992
Filed: Oct 5, 1990
Inventors
James M. Taylor
Eric L. Gay
Mark J. Cowell
David F. Wirt
Assignees (at issue)
Metcal, Inc.
Minnesota Mining and Manufacturing Company
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.