Granted Patent
Utility
US 4,894,063 · App. 06/497,490
Barrier layer for implantable tendons and ligaments
Inventor:
Aws S. Nashef
Patented Case
View Patent ↗
Granted: Jan 16, 1990
Filed: May 24, 1983
Inventor
Aws S. Nashef
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.