Patents Assigned to Nemaco Trading Limited
  • Patent number: 4481745
    Abstract: In a ceiling grating of carrier girders two carrier girders are closely arranged next to one another so that a line channel is formed in between them. These two carrier girders are interconnected by means of runner-shaped coupling elements formed as plates having between their limbs a line channel.
    Type: Grant
    Filed: January 24, 1984
    Date of Patent: November 13, 1984
    Assignee: Nemaco Trading Limited
    Inventors: Johan G. Smits, Johan A. de Weerd, Cor K. Vuyk