Granted Patent
Utility
US 4,563,778 · App. 06/469,125
Prosthetic acetabular cup
Inventors:
Karen Roche, Robert M. Eyerly
Patented Case
View Patent ↗
Granted: Jan 14, 1986
Filed: Feb 23, 1983
Inventors
Karen Roche
Robert M. Eyerly
Assignee (at issue)
Minnesota Mining and Manufacturing Company
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.