Granted Patent
Utility
US 4,606,552 · App. 06/714,633
Lock for safety belts
Inventor:
Lars Hultqvist
Patented Case
View Patent ↗
Granted: Aug 19, 1986
Filed: Mar 21, 1985
Inventor
Lars Hultqvist
Assignee (at issue)
Broderna Holmbergs Fabriks AB
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.