Granted Patent
Utility
US 5,908,029 · App. 08/915,539
Coronary artery bypass with reverse flow
Inventors:
Mark B. Knudson, Katherine S. Tweden
Patented Case
View Patent ↗
Granted: Jun 1, 1999
Filed: Aug 15, 1997
Inventors
Mark B. Knudson
Katherine S. Tweden
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.