Granted Patent
Utility
US 5,494,435 · App. 08/303,764
Positive internal latch lock for an injection mold
Inventor:
Leo A. Vandenberg
Patented Case
View Patent ↗
Granted: Feb 27, 1996
Filed: Sep 9, 1994
Inventor
Leo A. Vandenberg
Assignee (at issue)
D-M-E Company, Div. of Fairchild Industries, 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.