Granted Patent
Utility
US 5,331,546 · App. 07/709,751
Trip planner optimizing travel itinerary selection conforming to individualized travel policies
Inventors:
David W. Webber, Sandra E. Kangas
Patented Case
View Patent ↗
Granted: Jul 19, 1994
Filed: Jun 3, 1991
Inventors
David W. Webber
Sandra E. Kangas
Assignee (at issue)
Rosenbluth International, 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.