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Class Information
Number: 434/220
Name: Education and demonstration > Occupation > Air traffic control
Description: Subject matter relating to guidance of airplanes along airways and during takeoff and landing.

Patents under this class:

Patent Number Title Of Patent Date Issued
5961331 Air traffic voice interactive simulator Oct. 5, 1999
5807114 System for treating patients with anxiety disorders Sep. 15, 1998
5123088 Method and apparatus for creating and displaying navigators for guiding to related image information Jun. 16, 1992
5017142 Interactive method for testing working memory May. 21, 1991
4979137 Air traffic control training system Dec. 18, 1990
3991486 Aircraft landing signal officer trainer Nov. 16, 1976

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