Granted Patent
Utility
US 6,497,654 · App. 09/507,229
Illuminated rectal retractor
Inventors:
Robert F. Leonard, Chad Garrish, Christopher S. Looney, Keith J. Wells
Patented Case
View Patent ↗
Granted: Dec 24, 2002
Filed: Feb 18, 2000
Inventors
Robert F. Leonard
Chad Garrish
Christopher S. Looney
Keith J. Wells
Assignee (at issue)
Genzyme Corporation
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.