Granted Patent
Utility
US 4,491,132 · App. 06/405,843
Sheath and retractable surgical tool combination
Inventor:
Jerry L. Aikins
Patented Case
View Patent ↗
Granted: Jan 1, 1985
Filed: Aug 6, 1982
Inventor
Jerry L. Aikins
Assignee (at issue)
Zimmer, 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.