Granted Patent
Utility
US 4,147,487 · App. 05/810,139
Heating system for the manufacture of plastic articles
Inventors:
Andrew C. Dickson, Richard A. Morrette
Patented Case
View Patent ↗
Granted: Apr 3, 1979
Filed: Jun 27, 1977
Inventors
Andrew C. Dickson
Richard A. Morrette
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.