Granted Patent
Utility
US 4,413,743 · App. 06/440,516
Child-resistant safety closure
Inventor:
Kenneth L. Summers
Patented Case
View Patent ↗
Granted: Nov 8, 1983
Filed: Nov 10, 1982
Inventor
Kenneth L. Summers
Assignee (at issue)
RIEKE LLC
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.