Granted Patent
Utility
US 5,782,930 · App. 08/600,660
Polyetheretherketone (PEEK) retaining ring for an acetabular cup assembly
Inventors:
Ruey Y. Lin, Ashok K. Chopra, Allen P. Levine, Bernard Silverstein
Patented Case
View Patent ↗
Granted: Jul 21, 1998
Filed: Feb 13, 1996
Inventors
Ruey Y. Lin
Ashok K. Chopra
Allen P. Levine
Bernard Silverstein
Assignee (at issue)
Hommedica 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.