Granted Patent
Utility
US 5,284,129 · App. 07/936,970
Swivel ring surgical retractor
Inventors:
Victor B. Agbodoe, Edward L. Gallini, Robert E. David
Patented Case
View Patent ↗
Granted: Feb 8, 1994
Filed: Aug 28, 1992
Inventors
Victor B. Agbodoe
Edward L. Gallini
Robert E. David
Assignee (at issue)
Codman & Shurtleff, 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.