Granted Patent
Utility
US 5,287,489 · App. 07/605,625
Method and system for authoring, editing and testing instructional materials for use in simulated trailing systems
Inventors:
George R. Nimmo, Mark A. Johnson, Peter Hedger
Patented Case
View Patent ↗
Granted: Feb 15, 1994
Filed: Oct 30, 1990
Inventors
George R. Nimmo
Mark A. Johnson
Peter Hedger
Assignee (at issue)
Hughes Training, 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.