Granted Patent
Utility
US 4,892,549 · App. 07/304,752
Dual-radius acetabular cup component
Inventors:
Harry E. Figgie, III, Alfred J. Zarnowski, Matthew Lyons
Patented Case
View Patent ↗
Granted: Jan 9, 1990
Filed: Jan 31, 1989
Inventors
Harry E. Figgie, III
Alfred J. Zarnowski
Matthew Lyons
Assignee (at issue)
Osteonics Corp.
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.