Granted Patent
Utility
US 5,733,538 · App. 08/487,604
Surface-modifying copolymers having cell adhesion properties
Inventor:
Judy S. Riffle
Patented Case
View Patent ↗
Granted: Mar 31, 1998
Filed: Jun 7, 1995
Inventor
Judy S. Riffle
Assignee (at issue)
Thoratec Laboratories 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.