Granted Patent
Utility
US 6,282,464 · App. 09/355,433
Technique for effectively providing audio information in a vehicle
Inventor:
Michael L. Obradovich
Patented Case
View Patent ↗
Granted: Aug 28, 2001
Filed: Jul 27, 1999
Inventor
Michael L. Obradovich
Assignee (at issue)
American Calcar, 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.