Granted Patent
Utility
US 5,808,565 · App. 08/821,415
GPS triggered automatic annunciator for vehicles
Inventors:
David M. Matta, Andrew M. Kissel
Patented Case
View Patent ↗
Granted: Sep 15, 1998
Filed: Mar 21, 1997
Inventors
David M. Matta
Andrew M. Kissel
Assignee (at issue)
E-Systems, 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.