Patents by Inventor Abraham H. Roth

Abraham H. Roth 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).

  • Roof expansion joint
    Patent number: 4005555
    Abstract: A roof expansion joint for flat built up roofs forms an elevated elongated structure bridging an expansion slot-like opening between adjacent roof sections to provide a movable watertight seal therebetween formed of rigid slideably engaged members.
    Type: Grant
    Filed: July 3, 1975
    Date of Patent: February 1, 1977
    Assignee: Roth Bros. Inc.
    Inventors: Abraham H. Roth, Dave Roth
  • Roof and wall seal and cant
    Patent number: 3979860
    Abstract: A roof and wall seal incorporating a cant forms a flexible water tight closure between a roof structure and a wall perpendicular thereto. A cant partially receives roofing material to form a seal and extends upwardly relative thereto in spaced relation to a supporting wall and a skirt movably secured to the wall above the cant depends thereover to complete the seal which provides ventilation and unusual flexibility.
    Type: Grant
    Filed: February 13, 1975
    Date of Patent: September 14, 1976
    Assignee: Roth Bros. Co. Inc.
    Inventors: Abraham H. Roth, Dave Roth