Granted Patent
Utility
US 6,268,557 · App. 09/481,919
Methods and apparatus for providing an interactive musical game
Inventor:
John Devecka
Patented Case
View Patent ↗
Granted: Jul 31, 2001
Filed: Jan 13, 2000
Inventor
John Devecka
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.