Granted Patent
Utility
US 5,474,339 · App. 08/137,448
Door latch with double locking antitheft feature
Inventor:
James B. Johnson
Patented Case
View Patent ↗
Granted: Dec 12, 1995
Filed: Oct 15, 1993
Inventor
James B. Johnson
Assignee (at issue)
KELSEY-HAYES-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.