Granted Patent
Utility
US 6,530,883 · App. 09/872,672
Surgical retractor assembly
Inventors:
John R. Bookwalter, Rene J. Cabrera, Wesley C. Walker, Kenneth R. Hayes
Patented Case
View Patent ↗
Granted: Mar 11, 2003
Filed: Jun 1, 2001
Inventors
John R. Bookwalter
Rene J. Cabrera
Wesley C. Walker
Kenneth R. Hayes
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.