Granted Patent
Utility
US 4,461,201 · App. 06/480,969
Safety closure lock
Inventor:
Peter H. Van Sloun
Patented Case
View Patent ↗
Granted: Jul 24, 1984
Filed: Mar 31, 1983
Inventor
Peter H. Van Sloun
Assignee (at issue)
Honeywell Limited
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.