Granted Patent
Utility
US 6,301,593 · App. 09/160,849
Mobile computer with audio interrupt system
Inventor:
Kazuyucki Toyosato
Patented Case
View Patent ↗
Granted: Oct 9, 2001
Filed: Sep 25, 1998
Inventor
Kazuyucki Toyosato
Assignee (at issue)
Xybernaut Corp.
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.