Granted Patent
Utility
US 5,944,019 · App. 08/882,397
Closed chest coronary bypass
Inventors:
Mark B. Knudson, William L. Giese
Patented Case
View Patent ↗
Granted: Aug 31, 1999
Filed: Jun 25, 1997
Inventors
Mark B. Knudson
William L. Giese
Assignee (at issue)
HeartStent Corporation
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.