Granted Patent
Utility
US 5,038,765 · App. 07/548,611
Orthopaedic bipivotal hinge and pivot control system therefor
Inventors:
David E. Young, Kenneth P. Davis
Patented Case
View Patent ↗
Granted: Aug 13, 1991
Filed: Jul 5, 1990
Inventors
David E. Young
Kenneth P. Davis
Assignee (at issue)
Protectair Limited
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.