Granted Patent
Utility
US 5,147,052 · App. 07/769,928
Child resistant closure
Inventor:
Jeffrey C. Minette
Patented Case
View Patent ↗
Granted: Sep 15, 1992
Filed: Sep 30, 1991
Inventor
Jeffrey C. Minette
Assignee (at issue)
Sunbeam Plastics Corporation
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.