Patents Assigned to Witex AG
  • Patent number: 7003924
    Abstract: A parquet board with a groove and tongue edge profile comprising a projecting tongue (14) on at least one edge of each parquet board (10,12) and a receding groove (16) on at least one opposite edge of the parquet board. The top edge of the tongue (14) is provided with a projecting locking lip (24) running in the longitudinal direction of the tongue, and there is a corresponding locking recess (26) running in the longitudinal direction of the groove in the bottom edge of the groove-boundary-forming top groove cheek (28).
    Type: Grant
    Filed: March 30, 2001
    Date of Patent: February 28, 2006
    Assignee: Witex AG
    Inventors: Volker Kettler, Bernd Schneider, Wolfgang Wienstroer