Granted Patent
Utility
US 5,638,281 · App. 08/492,895
Target prediction and collision warning system
Inventor:
C. David Wang
Patented Case
View Patent ↗
Granted: Jun 10, 1997
Filed: Jun 20, 1995
Inventor
C. David Wang
Assignee (at issue)
AIL 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.