Patents by Inventor Denton L. Ostergaard

Denton L. Ostergaard 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).

  • Gravesite accessible memorabilia storage system
    Patent number: 5553426
    Abstract: A waterproof gravesite accessible-memorabilia storage system having an easily openable key-locked lid. The lock is of the moving latch type and the lock is openable at the top of the container. The container is anchored by an anchor therebeneath buried under the ground. Waterproofing is done with gasketing. The anchor is of a type easily transportable, using heavy material such as the ground itself for stabilization. Such material is disposed between the anchor and the container.
    Type: Grant
    Filed: June 28, 1993
    Date of Patent: September 10, 1996
    Inventor: Denton L. Ostergaard