Granted Patent
Utility
US 6,139,541 · App. 09/145,843
Guide for transmyocardial implant
Inventors:
Guy P. Vanney, Michael L. Krogh
Patented Case
View Patent ↗
Granted: Oct 31, 2000
Filed: Sep 2, 1998
Inventors
Guy P. Vanney
Michael L. Krogh
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.