Granted Patent
Utility
US 5,658,518 · App. 08/516,710
Method and apparatus for compression molding closure liners
Inventor:
Keith W. Ingram
Patented Case
View Patent ↗
Granted: Aug 19, 1997
Filed: Aug 18, 1995
Inventor
Keith W. Ingram
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.