Granted Patent
Utility
US 4,338,926 · App. 06/208,906
Bone fracture prosthesis with controlled stiffness
Inventors:
Frederick J. Kummer, Richard D. Coutts
Patented Case
View Patent ↗
Granted: Jul 13, 1982
Filed: Nov 21, 1980
Inventors
Frederick J. Kummer
Richard D. Coutts
Assignee (at issue)
Howmedica 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.