Granted Patent
Utility
US 6,054,142 · App. 08/690,969
Biocompatible devices with foam scaffolds
Inventors:
Rebecca Li, Tyrone F. Hazlett
Patented Case
View Patent ↗
Granted: Apr 25, 2000
Filed: Aug 1, 1996
Inventors
Rebecca Li
Tyrone F. Hazlett
Assignee (at issue)
Cytotherapeutics, 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.