Patents Assigned to Ishida Foundation
  • Dual mode air vehicle
    Patent number: D317287
    Type: Grant
    Filed: April 19, 1989
    Date of Patent: June 4, 1991
    Assignee: Ishida Foundation
    Inventor: Cecil W. Haga
  • Dual mode aircraft
    Patent number: D318258
    Type: Grant
    Filed: December 9, 1988
    Date of Patent: July 16, 1991
    Assignee: Ishida Foundation
    Inventor: Cecil W. Haga