Granted Patent
Utility
US 4,919,670 · App. 07/151,896
Modular humeral prosthesis
Inventors:
James L. Dale, Brain D. Burkinshaw, Wayne Z. Burkhead
Patented Case
View Patent ↗
Granted: Apr 24, 1990
Filed: Feb 3, 1988
Inventors
James L. Dale
Brain D. Burkinshaw
Wayne Z. Burkhead
Assignee (at issue)
Intermedics Orthopedics, 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.