Granted Patent
Utility
US 5,205,601 · App. 07/928,516
Ambulance lock
Inventor:
Kenneth Ferris
Patented Case
View Patent ↗
Granted: Apr 27, 1993
Filed: Aug 11, 1992
Inventor
Kenneth Ferris
Assignee (at issue)
Ferno-Washington, 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.