Granted Patent
Utility
US 5,067,964 · App. 07/450,903
Articular surface repair
Inventors:
James W. Richmond, John J. Block
Patented Case
View Patent ↗
Granted: Nov 26, 1991
Filed: Dec 13, 1989
Inventors
James W. Richmond
John J. Block
Assignee (at issue)
STRYKER 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.