Granted Patent
Utility
US 6,506,330 · App. 09/578,367
Apparatus and method for molding plastic closures
Inventors:
Lothar Schweigert, Ui Hwan O
Patented Case
View Patent ↗
Granted: Jan 14, 2003
Filed: May 25, 2000
Inventors
Lothar Schweigert
Ui Hwan O
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.