Granted Patent
Utility
US 5,217,437 · App. 07/802,026
Needle protecting device
Inventors:
Daniel A. Talonn, Alan B. Ranford
Patented Case
View Patent ↗
Granted: Jun 8, 1993
Filed: Jan 21, 1992
Inventors
Daniel A. Talonn
Alan B. Ranford
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.