Granted Patent
Utility
US 5,949,492 · App. 08/849,354
Apparatus and methods for accessing information relating to radio television programs
Inventor:
Roy J. Mankovitz
Patented Case
View Patent ↗
Granted: Sep 7, 1999
Filed: May 22, 1997
Inventor
Roy J. Mankovitz
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.