Granted Patent
Utility
US 5,443,519 · App. 08/052,248
Prosthetic ellipsoidal acetabular cup
Inventors:
Robert G. Averill, Robert C. Cohen
Patented Case
View Patent ↗
Granted: Aug 22, 1995
Filed: Apr 22, 1993
Inventors
Robert G. Averill
Robert C. Cohen
Assignee (at issue)
Implex 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.