Granted Patent
Utility
US 6,757,517 · App. 09/853,728
Apparatus and method for coordinated music playback in wireless ad-hoc networks
Inventor:
Chin-Chi Chang
Patented Case
View Patent ↗
Granted: Jun 29, 2004
Filed: May 10, 2001
Inventor
Chin-Chi Chang
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.