Granted Patent
Utility
US 6,516,642 · App. 10/010,532
Column security device
Inventor:
Robert A. Vito
Patented Case
View Patent ↗
Granted: Feb 11, 2003
Filed: Dec 7, 2001
Inventor
Robert A. Vito
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.