Granted Patent
Utility
US 5,161,251 · App. 07/737,211
Apparatus and methods for providing text information identifying audio program selections
Inventor:
Roy J. Mankovitz
Patented Case
View Patent ↗
Granted: Nov 3, 1992
Filed: Jul 29, 1991
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.