Granted Patent
Utility
US 5,980,889 · App. 08/906,367
Cell encapsulating device containing a cell displacing core for maintaining cell viability
Inventors:
Mark D. Butler, Stanley L. Mish
Patented Case
View Patent ↗
Granted: Nov 9, 1999
Filed: Aug 5, 1997
Inventors
Mark D. Butler
Stanley L. Mish
Assignee (at issue)
Gore Hybrid Technologies, 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.