Patents Assigned to Martin Overhead Door and Electronics Company
  • Method of preparing a section for an overhead door
    Patent number: 4347653
    Abstract: A novel overhead door section system and method, the section including a section facing fabricated from a high tensile steel and secured to a novel end stile and center stile. The end stile includes an angle support secured therein. The angle support clamps an end of the section facing against a front face of the end stile and is secured to ribs in the section facing and to a side wall of the end stile. A novel back facing and method provide additional strength to the panel and may also enclose an insulative layer inside the panel.
    Type: Grant
    Filed: March 23, 1981
    Date of Patent: September 7, 1982
    Assignee: Martin Overhead Door and Electronics Company
    Inventors: David O. Martin, Lawrence G. Martin