Granted Patent
Utility
US 5,146,833 · App. 07/587,255
Computerized music data system and input/out devices using related rhythm coding
Inventor:
Philip Lui
Patented Case
View Patent ↗
Granted: Sep 15, 1992
Filed: Sep 24, 1990
Inventor
Philip Lui
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.