Patents Assigned to System-Text AB
  • Afterglowing sign
    Patent number: 7832131
    Abstract: The present invention relates to an afterglowing sign printed with afterglowing pigments. The sign is made of a material with a coloured surface on which the afterglowing pigment is printed, and the coloured substrate shines through the print with the afterglowing pigment.
    Type: Grant
    Filed: February 24, 2005
    Date of Patent: November 16, 2010
    Assignee: System-Text AB
    Inventor: Sven Thollin
  • Afterglowing sign
    Patent number: 7596898
    Abstract: The present invention relates to an afterglowing sign printed with afterglowing pigments. The sign is provided at least partially with a screen print using opaque or transparent ink.
    Type: Grant
    Filed: February 20, 2002
    Date of Patent: October 6, 2009
    Assignee: System-Text AB
    Inventor: Sven Thollin