Granted Patent
Utility
US 5,989,007 · App. 08/979,378
Method and apparatus for compression molding plastic articles
Inventors:
Keith W. Ingram, David C. Thompson
Patented Case
View Patent ↗
Granted: Nov 23, 1999
Filed: Nov 26, 1997
Inventors
Keith W. Ingram
David C. Thompson
Assignee (at issue)
Owens-Illinois Closure 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.