Granted Patent
Utility
US 5,769,598 · App. 08/680,206
Antistacking warning device and stacking damage detector
Inventor:
David F. MacNeil
Patented Case
View Patent ↗
Granted: Jun 23, 1998
Filed: Jul 11, 1996
Inventor
David F. MacNeil
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.