Granted Patent
Utility
US 5,928,281 · App. 08/826,408
Tissue heart valves
Inventors:
Van Huynh, Than Nguyen, Hung L. Lam, Xiaoming G. Guo, Ralph Kafesjian
Patented Case
View Patent ↗
Granted: Jul 27, 1999
Filed: Mar 27, 1997
Inventors
Van Huynh
Than Nguyen
Hung L. Lam
Xiaoming G. Guo
Ralph Kafesjian
Assignee (at issue)
Baxter International Inc.
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.