Patents Assigned to Aero Challenge
  • Two seater amphibious aircraft
    Patent number: D392937
    Type: Grant
    Filed: January 16, 1997
    Date of Patent: March 31, 1998
    Assignee: Aero Challenge
    Inventors: Jean-Luc Brichard, Yves Gourinat, Gilbert Saint Blancat, Alain Vauvelle