Patents by Inventor D. Lucio Arana Sagasta

D. Lucio Arana Sagasta 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).

  • Arrangements used for shoring excavations in the ground
    Patent number: 4099386
    Abstract: A shoring system provides trapezoidal pockets in modular plating units. The junction of planes in the trapezoids provides mechanical strength and deformation sites at which deformation can be seen.
    Type: Grant
    Filed: August 19, 1976
    Date of Patent: July 11, 1978
    Inventor: D. Lucio Arana Sagasta