Granted Patent
Utility
US 4,405,556 · App. 06/343,172
Process and apparatus for forming oriented, blown articles
Inventor:
Emery I. Valyi
Patented Case
View Patent ↗
Granted: Sep 20, 1983
Filed: Jan 27, 1982
Inventor
Emery I. Valyi
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.