Granted Patent
Utility
US 5,484,439 · App. 08/233,037
Modular femur fixation device
Inventors:
C. Donald Olson, Mark G. Urbanski
Patented Case
View Patent ↗
Granted: Jan 16, 1996
Filed: Apr 25, 1994
Inventors
C. Donald Olson
Mark G. Urbanski
Assignee (at issue)
Alphatec Manufacturing, 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.