Granted Patent
Utility
US 6,740,803 · App. 09/990,803
Computing device to allow for the selection and display of a multimedia presentation of an audio file and to allow a user to play a musical instrument in conjunction with the multimedia presentation
Inventors:
John Brinkman, Dave Hamilton, John Longawa, Rob Rampley, Charles Corris Randall, Marcus Ryle
Patented Case
View Patent ↗
Granted: May 25, 2004
Filed: Nov 21, 2001
Inventors
John Brinkman
Dave Hamilton
John Longawa
Rob Rampley
Charles Corris Randall
Marcus Ryle
Assignee (at issue)
Line 6, Inc
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.