Patents Assigned to F2 International Gesellschaft m.b.H.
  • Sealing lip assembly for surfboards and sailboats
    Patent number: 4759308
    Abstract: A sealing lip assembly for surfboards or sailboats, which closes the underwater side of the opening of the centerboard case or fin case in a virtually flow-tight and non-vortical manner in every position of the centerboard, and including two sealing lips, with each lip defined by a sealing area capable of flexing along the longitudinal axis of the assembly, a resilient area perpendicular to the longitudinal axis, and a mounting portion.
    Type: Grant
    Filed: July 16, 1986
    Date of Patent: July 26, 1988
    Assignee: F2 International Gesellschaft m.b.H.
    Inventor: Wolf-Dietrich Zander