Patents by Inventor Robert E. Michaud

Robert E. Michaud 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: 4936070
    Abstract: A rectangular roof covering panel made of three superposed layers: a fiberboard layer, an adhesive layer and a blended bituminen elastomer layer. The blended bitumen layer has a ledge exceeding over two adjacent sides of the rectangular panel. The ledge is adapted to overlap the elastomer layer of an adjacent and contiguous panel and to be fused thereon with a blowtorch.
    Type: Grant
    Filed: February 22, 1989
    Date of Patent: June 26, 1990
    Inventor: Robert E. Michaud