Granted Patent
Utility
US 4,645,480 · App. 06/772,085
Method and apparatus for fabricating nestable thermoplastic containers
Inventor:
Robert F. Kontz
Patented Case
View Patent ↗
Granted: Feb 24, 1987
Filed: Sep 3, 1985
Inventor
Robert F. Kontz
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.