Patents by Inventor Serapio E. Lopez

Serapio E. Lopez 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: 4739599
    Abstract: A wind-resistant inverted built-up roof construction is provided comprising a roof deck, a waterproof membrane overlying said roof deck, a plurality of closed cell foam plastic insulation material overlying said membrane, and a plurality of paving blocks overlying and supported by said insulating members in edge-to-edge relationship. A plurality of resilient members is secured relative to said membrane and extend past the insulating blocks. A plurality of hold-down plates respectively overlie a plurality of the paving blocks, and each plate is aligned with and secured to one of said resilient members in order resiliently to hold said paving blocks in place.
    Type: Grant
    Filed: January 27, 1987
    Date of Patent: April 26, 1988
    Assignee: The Dow Chemical Company
    Inventors: Serapio E. Lopez, David L. Roodvoets