Granted Patent
Utility
US 6,561,724 · App. 10/019,454
Safety connecting and hooking device for tubular elements, particulary for stretcher
Inventor:
Enrico Carletti
Patented Case
View Patent ↗
Granted: May 13, 2003
Filed: Oct 24, 2001
Inventor
Enrico Carletti
Assignee (at issue)
Ferno Washington Italia S.r.l.
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.