Granted Patent
Utility
US 6,689,947 · App. 09/812,357
Real-time floor controller for control of music, signal processing, mixing, video, lighting, and other systems
Inventor:
Lester F. Ludwig
Patented Case
View Patent ↗
Granted: Feb 10, 2004
Filed: Mar 19, 2001
Inventor
Lester F. Ludwig
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.