Patents by Inventor David N. Flood

David N. Flood 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: 4266388
    Abstract: A template for positioning an array of overlapping shingles on a roof comprises a body member having a side edge contoured to fit the side edge pattern of the array of shingles to be established on the roof, whereby the shingle positioning is accomplished by setting on the roof a first shingle of the array, positioning the template on the roof so that a portion of its contoured side edge abuts the corresponding side edge portion of the first shingle of the array and thereafter guiding the placement on the roof of each of the remaining shingles of the array by abutting a side edge portion of each against the corresponding side edge portion of the template's contoured side edge.
    Type: Grant
    Filed: September 7, 1979
    Date of Patent: May 12, 1981
    Assignee: The Celotex Corporation
    Inventor: David N. Flood
  • Patent number: D247786
    Type: Grant
    Filed: March 31, 1976
    Date of Patent: April 25, 1978
    Assignee: The Celotex Corporation
    Inventor: David N. Flood