Granted Patent
Utility
US 5,156,599 · App. 07/364,939
Syringe and sliding locking needle shield
Inventors:
Alan B. Ranford, Daniel A. Talonn
Patented Case
View Patent ↗
Granted: Oct 20, 1992
Filed: Jun 9, 1989
Inventors
Alan B. Ranford
Daniel A. Talonn
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.