Granted Patent
Utility
US 6,008,740 · App. 08/992,446
Electronic speed limit notification system
Inventor:
Thomas L. Hopkins
Patented Case
View Patent ↗
Granted: Dec 28, 1999
Filed: Dec 17, 1997
Inventor
Thomas L. Hopkins
Assignee (at issue)
STMICROELECTRONICS, 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.