Granted Patent
Utility
US 4,938,680 · App. 07/415,551
Reverse lip blow molding apparatus
Inventors:
Henry J. Guarriello, Joseph A. Guarriello, Theodore J. Guarriello
Patented Case
View Patent ↗
Granted: Jul 3, 1990
Filed: Oct 20, 1989
Inventors
Henry J. Guarriello
Joseph A. Guarriello
Theodore J. Guarriello
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.