Granted Patent
Utility
US 5,520,608 · App. 08/233,900
Orthopaedic retractor blade
Inventors:
Rene J. Cabrera, John R. Bookwalter, Joseph Chaudoin
Patented Case
View Patent ↗
Granted: May 28, 1996
Filed: Apr 28, 1994
Inventors
Rene J. Cabrera
John R. Bookwalter
Joseph Chaudoin
Assignee (at issue)
Johnson & Johnson Professional, 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.