Granted Patent
Utility
US 6,402,503 · App. 09/468,388
Plastic injection molding apparatus
Inventor:
Randall A. Hickman
Patented Case
View Patent ↗
Granted: Jun 11, 2002
Filed: Dec 20, 1999
Inventor
Randall A. Hickman
Assignee (at issue)
Owens-Brockway Plastic Products 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.