Granted Patent
Utility
US 6,723,102 · App. 10/075,829
Apparatus and method for minimally invasive total joint replacement
Inventors:
Wesley D. Johnson, Gerard A. Engh
Patented Case
View Patent ↗
Granted: Apr 20, 2004
Filed: Feb 12, 2002
Inventors
Wesley D. Johnson
Gerard A. Engh
Assignee (at issue)
Alexandria Research Technologies, 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.