Granted Patent
Utility
US 5,431,556 · App. 08/198,958
Mold assembly including resilient core pins
Inventor:
LeRoy D. Luther
Patented Case
View Patent ↗
Granted: Jul 11, 1995
Filed: Feb 18, 1994
Inventor
LeRoy D. Luther
Assignee (at issue)
Triangle Tool Corporation
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.