Patents by Inventor Tulio E. Obonaga-Calle

Tulio E. Obonaga-Calle 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).

  • Patent number: 4134239
    Abstract: The construction and method of constructing a burial field involves forming one or more tiers of burial chambers from commonly shared wall sections placed on a concrete slab or floor. The wall sections form natural drainage for the field and cover sections not only accommodate for earth fill and grass but also natural drainage into a water reservoir. The reservoir provides irrigation for the fill and the construction is at least partially above ground.
    Type: Grant
    Filed: April 19, 1977
    Date of Patent: January 16, 1979
    Inventor: Tulio E. Obonaga-Calle