Patents by Inventor Rob Justus

Rob Justus 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).

  • Water resistant fire retardant roof underlayment sheet material
    Patent number: 6641896
    Abstract: A sheet material is useful as a waterproof underlayment for a roof of a structure. The sheet material has upper and lower surfaces and comprises a web of reinforcing mat comprising fire-resistant fibers and a continuous non-porous matrix of water-resistant modified bitumen saturating the web of reinforcing mat, wherein the modified bitumen is self-adhesive.
    Type: Grant
    Filed: December 21, 2000
    Date of Patent: November 4, 2003
    Assignee: The Garland Company, Inc.
    Inventors: Fred Fensel, Rob Justus
  • Water resistant fire retardant roof underlayment sheet material
    Publication number: 20020081924
    Abstract: A sheet material is useful as a waterproof underlayment for a roof of a structure. The sheet material has upper and lower surfaces and comprises a web of reinforcing mat comprising fire-resistant fibers and a continuous non-porous matrix of water-resistant modified bitumen saturating the web of reinforcing mat, wherein the modified bitumen is self-adhesive.
    Type: Application
    Filed: December 21, 2000
    Publication date: June 27, 2002
    Applicant: The Garland Company
    Inventors: Fred Fensel, Rob Justus