Granted Patent
Utility
US 6,504,985 · App. 09/735,104
Illuminated surgical retractor
Inventors:
Jeffery R. Parker, Jeffrey B. Williams, Robert Caywood
Patented Case
View Patent ↗
Granted: Jan 7, 2003
Filed: Dec 12, 2000
Inventors
Jeffery R. Parker
Jeffrey B. Williams
Robert Caywood
Assignee (at issue)
Lumitex, 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.