Granted Patent
Utility
US 4,380,100 · App. 06/114,811
Safety belt buckle
Inventor:
Terrence S. Crisp
Patented Case
View Patent ↗
Granted: Apr 19, 1983
Filed: Jan 24, 1980
Inventor
Terrence S. Crisp
Assignee (at issue)
Klippan S.A.
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.