Granted Patent
Utility
US 5,452,446 · App. 07/975,424
Method and apparatus for managing dynamic vehicle data recording data by current time minus latency
Inventor:
Steven F. Johnson
Patented Case
View Patent ↗
Granted: Sep 19, 1995
Filed: Nov 12, 1992
Inventor
Steven F. Johnson
Assignee (at issue)
SPX 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.