Granted Patent
Utility
US 4,358,031 · App. 06/181,532
Safety closure and container with dispensing spout
Inventor:
Richard D. Lohrman
Patented Case
View Patent ↗
Granted: Nov 9, 1982
Filed: Aug 26, 1980
Inventor
Richard D. Lohrman
Assignee (at issue)
Owens-Illinois 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.