Granted Patent
Utility
US 6,112,921 · App. 09/416,303
Child-resistant squeeze-and-turn closure, package and method of manufacturing
Inventor:
Philip J. Robinson
Patented Case
View Patent ↗
Granted: Sep 5, 2000
Filed: Oct 12, 1999
Inventor
Philip J. Robinson
Assignee (at issue)
Owens-Illinois Closure Inc.
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.