Granted Patent
Utility
US 6,258,021 · App. 09/426,744
Intrapericardial assist method
Inventor:
Peter J. Wilk
Patented Case
View Patent ↗
Granted: Jul 10, 2001
Filed: Oct 25, 1999
Inventor
Peter J. Wilk
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.