Granted Patent
Utility
US 4,839,110 · App. 07/163,308
Method of molding using gated dies
Inventor:
Jeffrey M. Kingsbury
Patented Case
View Patent ↗
Granted: Jun 13, 1989
Filed: Mar 2, 1988
Inventor
Jeffrey M. Kingsbury
Assignee (at issue)
Sola USA, 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.