Granted Patent
Utility
US 4,955,425 · App. 07/245,504
Casting handling apparatus
Inventor:
James F. McKenna
Patented Case
View Patent ↗
Granted: Sep 11, 1990
Filed: Sep 19, 1988
Inventor
James F. McKenna
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.