Granted Patent
Utility
US 5,163,916 · App. 07/655,201
Safety syringe with offset needle
Inventor:
Richard A. Sunderland
Patented Case
View Patent ↗
Granted: Nov 17, 1992
Filed: Feb 11, 1991
Inventor
Richard A. Sunderland
Assignee (at issue)
Sherwood Medical Company
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.