Patents Represented by Attorney Altman, Oates & Bello Morse
  • Patent number: 4078288
    Abstract: An entrance door with a plurality of extruded sections that are interconnected to form a rectangular frame, a glass panel mounted within the frame. The door is partially fabricated by punching openings at specified locations on the extruded sections. The openings are punched in a press that is provided with guideways and stops for positioning the extruded sections in alignment with a punching tool. The punched openings are configured to receive a lock mechanism and hinge hardware as well as tie rods that are used for interconnecting the sections.
    Type: Grant
    Filed: February 11, 1976
    Date of Patent: March 14, 1978
    Inventor: Harold B. Abramson