Granted Patent
Utility
US 6,809,704 · App. 10/071,343
Reduction of blind spots by using display screens
Inventor:
Charles J. Kulas
Patented Case
View Patent ↗
Granted: Oct 26, 2004
Filed: Feb 8, 2002
Inventor
Charles J. Kulas
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.