Granted Patent
Utility
US 4,237,882 · App. 06/079,337
Needle sheath
Inventor:
Ray M. Wickham
Patented Case
View Patent ↗
Granted: Dec 9, 1980
Filed: Sep 27, 1979
Inventor
Ray M. Wickham
Assignee (at issue)
Sherwood Medical Industries 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.