Granted Patent
Utility
US 4,668,458 · App. 06/818,623
Method of forming a carbonated beverage package
Inventor:
Ralph H. Whitney
Patented Case
View Patent ↗
Granted: May 26, 1987
Filed: Jan 14, 1986
Inventor
Ralph H. Whitney
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.