Granted Patent
Utility
US 4,540,543 · App. 06/618,956
Injection blow molding process and apparatus
Inventors:
Tommy Thomas, John W. West
Patented Case
View Patent ↗
Granted: Sep 10, 1985
Filed: Jun 11, 1984
Inventors
Tommy Thomas
John W. West
Assignee (at issue)
Canada Cup, 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.