Patents by Inventor Jules M. Blais

Jules M. Blais 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).

  • Waterproofing barrier
    Patent number: 4344722
    Abstract: This invention provides a method and a system for waterproofing a desired substrate, and further contemplates, a waterproof and chemical-resistant product. The method provides providing a length of flexible moisture-permeable thin, synthetic sheet material having desired characteristics, placing in contact with the substrate to be waterproofed a layer of the material, covering the layer of material with a central layer of Montmorillonite clay and placing on top of the clay a third layer of the fabric.
    Type: Grant
    Filed: January 19, 1981
    Date of Patent: August 17, 1982
    Assignee: Bemalux Inc.
    Inventor: Jules M. Blais