Patents Assigned to International Seaboard Corp.
  • Liquid nutrient dispensers for aquarium biological filter media
    Patent number: 5146870
    Abstract: A dispenser is provided for liquid nutrients used to sustain the metabolism of biological filter media used in purifying aquarium water which comprises: a rigid container having an opening therein adapted to permit the introduction of liquid nutrients into the container; means for preventing the flow out of the container through said opening of liquid nutrient introduced therein; and means for allowing the permeation to the exterior of the container of liquid nutrient introduced therein.
    Type: Grant
    Filed: January 29, 1990
    Date of Patent: September 15, 1992
    Assignee: International Seaboard Corp.
    Inventor: Andres V. Eyas