Granted Patent
Utility
US 4,305,618 · App. 06/117,583
Vehicle safety belt with retractor lock device
Inventor:
John Molnar
Patented Case
View Patent ↗
Granted: Dec 15, 1981
Filed: Dec 18, 1979
Inventor
John Molnar
Assignee (at issue)
Caterpillar Tractor Co.
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.