Granted Patent
Utility
US 5,378,146 · App. 07/984,284
Polyurethane biomedical devices & method of making same
Inventor:
Terry Sterrett
Patented Case
View Patent ↗
Granted: Jan 3, 1995
Filed: Dec 1, 1992
Inventor
Terry Sterrett
Assignee (at issue)
Ormco 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.