Granted Patent
Utility
US 6,737,570 · App. 09/836,979
Interactive personal audio device
Inventor:
Alexander Stevenson
Patented Case
View Patent ↗
Granted: May 18, 2004
Filed: Apr 18, 2001
Inventor
Alexander Stevenson
Assignee (at issue)
Intel Corporation
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.