Granted Patent
Utility
US 4,889,744 · App. 07/189,195
Method for making open-cell, silicone-elastomer medical implant
Inventor:
Joel Quaid
Patented Case
View Patent ↗
Granted: Dec 26, 1989
Filed: May 2, 1988
Inventor
Joel Quaid
Assignee (at issue)
Medical Products Development, 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.