Patents by Inventor Alf R. Satre

Alf R. Satre has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • System for growing oysters
    Patent number: 4377987
    Abstract: In combination with a vertical row of trays suspended from carrying ropes and enveloped by a protection net where each tray has a rim and bottom net for holding oysters, a system for releasably fastening the trays to the carrying ropes; the fastening system includes converging notches or indentations in the rim of each tray and an enlarged detent on each carrying rope for releasably engaging the notches or indentations.
    Type: Grant
    Filed: October 30, 1981
    Date of Patent: March 29, 1983
    Inventor: Alf R. Satre