Granted Patent
Utility
US 5,885,495 · App. 08/769,995
Viscosity control for molten plastics prior to molding
Inventor:
Jean-Pierre Ibar
Patented Case
View Patent ↗
Granted: Mar 23, 1999
Filed: Dec 19, 1996
Inventor
Jean-Pierre Ibar
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.