Granted Patent
Utility
US 4,416,608 · App. 06/434,149
Apparatus for forming parisons
Inventor:
Lawrence Robert Deardurff
Patented Case
View Patent ↗
Granted: Nov 22, 1983
Filed: Oct 13, 1982
Inventor
Lawrence Robert Deardurff
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.