Granted Patent
Utility
US 5,768,680 · App. 08/435,550
Media monitor
Inventor:
C. David Thomas
Patented Case
View Patent ↗
Granted: Jun 16, 1998
Filed: May 5, 1995
Inventor
C. David Thomas
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.